显示找到的8个结果中的1-8个。
第页1
1, 2, 2, 3, 2, 4, 2, 5, 6, 4, 2, 7, 2, 4, 8, 9, 2, 10, 2, 7, 8, 4, 2, 11, 12, 4, 13, 7, 2, 14, 2, 15, 8, 4, 16, 17, 2, 4, 8, 11, 2, 14, 2, 7, 18, 4, 2, 19, 20, 21, 8, 7, 2, 22, 16, 11, 8, 4, 2, 23, 2, 4, 18, 24, 16, 14, 2, 7, 8, 25, 2, 26, 2, 4, 27, 7, 28, 14, 2, 19, 29, 4, 2, 23, 16, 4, 8, 11, 2, 30, 28, 7, 8, 4, 16, 31, 2, 32, 18, 33, 2, 14, 2, 11, 34
例子
a(6)=a(10)(=4),因为两者都是非方半素数(2*3和2*5),并且当最大素因子被除掉时,两者产生相同的商2。
黄体脂酮素
(平价)
rgs_transform(invec)={my(om=Map(),outvec=vector(length(invec)),u=1);对于(i=1,长度(invesc),如果(mapisdefined(om,invec[i]),my(pp=mapget(om,invec[i];
write_to_bfile(start_offset,vec,bfilename)={对于(n=1,长度(vec),write(bfilename,(n+start_offset)-1,“”,vec[n]);}
A046523号(n) ={my(f=vecsort(factor(n)[,2],4),p);prod(i=1,#f,(p=nextprime(p+1))^f[i]);};\\发件人A046523号
写入到文件(1,rgs_transform(矢量(65537,n,Aux300226(n))),“b300226.txt”);
1, 2, 2, 3, 2, 4, 2, 5, 6, 7, 2, 8, 2, 9, 10, 11, 2, 12, 2, 13, 14, 15, 2, 16, 17, 18, 19, 20, 2, 21, 2, 22, 23, 24, 25, 26, 2, 27, 28, 29, 2, 30, 2, 31, 32, 33, 2, 34, 35, 36, 37, 38, 2, 39, 28, 40, 41, 42, 2, 43, 2, 44, 45, 46, 47, 48, 2, 49, 50, 51, 2, 52, 2, 53, 54, 55, 47, 56, 2, 57, 58, 59, 2, 60, 41, 61, 62, 63, 2, 64, 37, 65, 66, 67, 68, 69, 2, 70, 71
例子
a(51)=a(91)(=33),因为它们都是非方半素数(3*17和7*13),以及它们的真除数之和(A001065号)等于1+3+17=1+7+13=21。
黄体脂酮素
(平价)
up_to=65537;
rgs_transform(invec)={my(om=Map(),outvec=vector(length(invec)),u=1);对于(i=1,长度(invesc),如果(mapisdefined(om,invec[i]),my(pp=mapget(om,invec[i];
write_to_bfile(start_offset,vec,bfilename)={对于(n=1,长度(vec),write(bfilename,(n+start_offset)-1,“”,vec[n]);}
写入到文件(1,rgs_transform(向量(up_to,n,A291765型(n) ),“b300235.txt”);
1, 2, 2, 3, 2, 4, 2, 5, 3, 6, 2, 7, 2, 6, 8, 9, 2, 10, 2, 11, 12, 6, 2, 13, 3, 6, 5, 14, 2, 15, 2, 16, 8, 6, 12, 17, 2, 6, 12, 18, 2, 15, 2, 7, 10, 6, 2, 19, 3, 20, 8, 11, 2, 21, 12, 22, 12, 6, 2, 23, 2, 6, 20, 24, 12, 15, 2, 11, 8, 25, 2, 26, 2, 6, 20, 7, 12, 15, 2, 27, 9, 6, 2, 28, 12, 6, 8, 29, 2, 30, 31, 7, 12, 6, 32, 33, 2, 20, 10, 17, 2, 15, 2, 34, 35
黄体脂酮素
(平价)
rgs_transform(invec)={my(om=Map(),outvec=vector(length(invec)),u=1);对于(i=1,长度(invesc),如果(mapisdefined(om,invec[i]),my(pp=mapget(om,invec[i];
write_to_bfile(start_offset,vec,bfilename)={对于(n=1,长度(vec),write(bfilename,(n+start_offset)-1,“”,vec[n]);}
A046523号(n) ={my(f=vecsort(factor(n)[,2],4),p);prod(i=1,#f,(p=nextprime(p+1))^f[i]);};\\此函数来自A046523号
写入到文件(1,rgs_transform(向量(65537,n,286570加元(n) ),“b300230.txt”);
1, 2, 2, 3, 2, 4, 2, 5, 6, 7, 2, 8, 2, 9, 10, 11, 2, 12, 2, 13, 14, 15, 2, 16, 17, 18, 19, 20, 2, 21, 2, 22, 23, 24, 25, 26, 2, 27, 28, 29, 2, 30, 2, 31, 32, 33, 2, 34, 35, 36, 37, 38, 2, 39, 28, 40, 41, 42, 2, 43, 2, 44, 45, 46, 47, 48, 2, 49, 50, 51, 2, 52, 2, 53, 54, 55, 47, 56, 2, 57, 58, 59, 2, 60, 41, 61, 62, 63, 2, 64, 37, 65, 66, 67
例子
a(51)=a(91)(=33),因为两者都是非方半素数(3*17和7*13),并且它们的算术导数相等,因为A003415号(51) =A003415号(91) = 20.
a(78)=a(105)(=56),因为两者都有相同的素数签名(78=2*3*13和105=3*5*7),并且它们的算术导数相等,因为A003415号(78) =A003415号(105) = 71.
黄体脂酮素
(平价)
rgs_transform(invec)={my(om=Map(),outvec=vector(length(invec)),u=1);对于(i=1,长度(invesc),如果(mapisdefined(om,invec[i]),my(pp=mapget(om,invec[i];
write_to_bfile(start_offset,vec,bfilename)={对于(n=1,长度(vec),write(bfilename,(n+start_offset)-1,“”,vec[n]);}
A003415号(n) ={my(fac);如果(n<1,0,fac=因子(n);和(i=1,矩阵大小(fac,[1],n*fac[i,2]/fac[i,1]))};\\发件人A003415号
A046523号(n) =我的(f=vecsort(因子(n)[,2],4),p);prod(i=1,#f,(p=nextprime(p+1))^f[i])\\FromA046523号
write_to_bfile(1,rgs_transform(矢量(65537,n,Aux 300248(n)),“b300249.txt”);
1, 2, 2, 3, 2, 4, 2, 5, 6, 7, 2, 8, 2, 9, 10, 11, 2, 12, 2, 13, 14, 15, 2, 16, 17, 18, 19, 20, 2, 21, 2, 22, 23, 24, 19, 25, 2, 13, 26, 27, 2, 28, 2, 29, 30, 31, 2, 32, 33, 34, 12, 35, 2, 36, 26, 37, 38, 39, 2, 40, 2, 41, 42, 43, 44, 45, 2, 46, 47, 48, 2, 49, 2, 50, 51, 52, 44, 53, 2, 54, 55, 56, 2, 57, 38, 35, 30, 58, 2, 59, 60, 32, 61, 62, 63,64
黄体脂酮素
(平价)
rgs_transform(invec)={my(om=Map(),outvec=vector(length(invec)),u=1);对于(i=1,长度(invesc),如果(mapisdefined(om,invec[i]),my(pp=mapget(om,invec[i];
write_to_bfile(start_offset,vec,bfilename)={对于(n=1,长度(vec),write(bfilename,(n+start_offset)-1,“”,vec[n]);}
写入到文件(1,rgs_transform(矢量(65537,n,Aux300231(n))),“b300231.txt”);
1, 2, 2, 3, 2, 4, 2, 5, 6, 7, 2, 8, 2, 9, 10, 11, 2, 12, 2, 12, 13, 14, 2, 15, 16, 17, 18, 19, 2, 20, 2, 21, 22, 23, 24, 25, 2, 26, 27, 28, 2, 29, 2, 30, 31, 32, 2, 33, 34, 35, 36, 37, 2, 38, 27, 39, 40, 41, 2, 42, 2, 43, 44, 45, 46, 47, 2, 48, 49, 47, 2, 50, 2, 51, 52, 53, 46, 54, 2, 55, 56, 57, 2, 58, 40, 59, 60, 61, 2, 62, 36, 63, 64, 65, 66, 67, 2, 68, 69
例子
a(39)=a(55)(=27),因为两者都是非方半素数(3*13和5*11),并且都有同音值15=39-phi(39)=55-phi(55)。
黄体脂酮素
(平价)
up_to=65537;
rgs_transform(invec)={my(om=Map(),outvec=vector(length(invec)),u=1);对于(i=1,长度(invesc),如果(mapisdefined(om,invec[i]),my(pp=mapget(om,invec[i];
write_to_bfile(start_offset,vec,bfilename)={对于(n=1,长度(vec),write(bfilename,(n+start_offset)-1,“”,vec[n]);}
写入到文件(1,rgs_transform(向量(up_to,n,A286152型(n) ),“b300232.txt”);
1, 2, 2, 3, 2, 4, 2, 5, 6, 7, 2, 8, 2, 9, 10, 11, 2, 12, 2, 13, 14, 13, 2, 15, 16, 17, 14, 18, 2, 19, 2, 20, 21, 22, 23, 24, 2, 25, 26, 27, 2, 28, 2, 29, 30, 31, 2, 32, 33, 34, 35, 36, 2, 37, 26, 38, 39, 40, 2, 41, 2, 42, 43, 44, 45, 46, 2, 47, 48, 49, 2, 50, 2, 51, 52, 53, 45, 54, 2, 55, 43, 56, 2, 57, 39, 58, 59, 60, 2, 61, 62, 60, 63, 55, 64,65, 2, 66
黄体脂酮素
(平价)
rgs_transform(invec)={my(om=Map(),outvec=vector(length(invec)),u=1);对于(i=1,长度(invesc),如果(mapisdefined(om,invec[i]),my(pp=mapget(om,invec[i];
write_to_bfile(start_offset,vec,bfilename)={对于(n=1,长度(vec),write(bfilename,(n+start_offset)-1,“”,vec[n]);}
写入到文件(1,rgs_transform(矢量(65537,n,Aux300233(n))),“b300233.txt”);
1, 2, 2, 3, 2, 4, 2, 5, 3, 6, 2, 7, 2, 8, 4, 9, 2, 10, 2, 11, 12, 13, 2, 14, 3, 15, 16, 17, 2, 18, 2, 19, 20, 21, 4, 22, 2, 23, 8, 24, 2, 25, 2, 26, 27, 28, 2, 29, 3, 30, 31, 32, 2, 33, 12, 34, 35, 36, 2, 37, 2, 38, 39, 40, 6, 41, 2, 42, 43, 44, 2, 45, 2, 46, 47, 48, 4, 49, 2, 50, 51, 52, 2, 53, 20, 54, 55, 56, 2, 57, 12, 58, 59, 60, 8, 61, 2, 62, 63, 64, 2
黄体脂酮素
(平价)
rgs_transform(invec)={my(om=Map(),outvec=vector(length(invec)),u=1);对于(i=1,长度(invesc),如果(mapisdefined(om,invec[i]),my(pp=mapget(om,invec[i];
write_to_bfile(start_offset,vec,bfilename)={对于(n=1,长度(vec),write(bfilename,(n+start_offset)-1,“”,vec[n]);}
A020639号(n) ={如果(1==n,n,vecmin(因子(n)[,1]);};
A046523号(n) =我的(f=vecsort(因子(n)[,2],4),p);prod(i=1,#f,(p=nextprime(p+1))^f[i])\\FromA046523号
A064989号(n) ={my(f);f=因子(n);如果(n>1&&f[1,1]==2),f[1,2]=0);对于(i=1,#f~,f[i,1]=precprime(f[i、1]-1));因子回退(f)};
写入到文件(1,rgs_transform(向量(65537,n,Aux300248(n))),“b300248.txt”);
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