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黄体脂酮素
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(PARI)
up_to=8192;
rgs_transform(invec)={my(occurrences=Map(),outvec=vector(length(invec)),u=1);对于(i=1,length,invec,if(mapisdefined(occurements,invec[i]),my(pp=mapget(occursions,invec[i];
write_to_bfile(start_offset,vec,bfilename)={对于(n=1,长度(vec),write(bfilename,(n+start_offset)-1,“”,vec[n]);}
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(up_to,n,A297171型(n) )),“b297161.txt”);
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