A133835-OEIS公司

A133835号

素数增长最慢的序列，两个相邻项至少共享两个数字（以重数计算）。

11, 101, 103, 107, 109, 139, 149, 179, 191, 193, 197, 199, 419, 421, 431, 433, 439, 443, 449, 479, 487, 547, 557, 571, 577, 587, 751, 757, 773, 787, 797, 877, 887, 1087, 1091, 1093, 1097, 1103, 1109, 1117, 1123, 1129, 1151, 1153, 1163, 1171, 1181, 1187, 1193

(列表;图表;参考;听;历史;文本;内部格式)

抵消

1,1

其他种子的序列：

{11,101,103,107,109,139,149,179,191,193,197,199,419,421,431,433,439},

{13,31,103,107,109,139,149,179,191,193,197,199,419,421,431,433,439},

{17,71,107,109,139,149,179,191,193,197,199,419,421,431,433,439},

{19,109,139,149,179,191,193,197,199,419,421,431,433,439},

{23,223,227,229,239,263,269,293,349,359,379,389,397,439},

{29,229,239,263,269,293,349,359,379,389,397,439},

{31,103,107,109,139,149,179,191,193,197,199,419,421,431,433,439},

{37,73,137,139,149,179,191,193,197,199,419,421,431,433,439},

{41,149,179,191,193,197,199,419,421,431,433,439},

{43,347,349,359,379,389,397,439},

{47,347,349,359,379,389,397,439},

{53,353,359,379,389,397,439},

{59,359,379,389,397,439},

{61,163,167,173,179,191,193,197,199,419,421,431,433,439},

{67,167,173,179,191,193,197,199,419,421,431,433,439},

{71,107,109,139,149,179,191,193,197,199,419,421,431,433,439}.

推测：对于任何初始种子，序列最终都会与第一个种子合并。

链接

n=1..49时的n，a（n）表。

数学

MultiIntersection[l1_List，l2_List]：=模块[{nl，f}，f[x_]：={First[#]，Length[#]}&/@Split[Sort[x]]；nl=排序[Join[Flatten[Map[f，{l1，l2}]，1]]；nl=拆分[nl，#[[1]]===#2[[1]]&]；压扁[Cases[nl，{{x_，m_}，{x_、n_}}:->表[x，{m}]]，1]]f:=（a=素数[k]；ida=整数位数[a]；c=1；s[1]=a；Do[p=素数[1]；If[Length[MultiIntersection[ida，IntegerDigits[p]]>1，c++；s[c]=p；a=p；ida=整型位数[a]]，{i，k+1，100}]；s[#]//@范围[c]）；表[f，{k，5，20}]

交叉参考

上下文中的序列：A330291型 A318647型 A185121号*第362108页 A292451型 A292731型

相邻序列：133832英镑 A133833号 A133834号*A133836号 A133837号 A133838号

关键词

非n,基础

作者

扎克·塞多夫，2007年9月26日

状态

经核准的