来自在线整数百科全书的问候语!http://oeis.org/ Search: id:a277070 Showing 1-1 of 1 %I A277070 %S A277070 1,1,1,1,2,1,2,1,1,2,2,1,2,2,2,1,2,1,2,2,2,2,3,1,2,2,1,2,2,2,2,1,2,2, %T A277070 2,1,2,2,2,2,3,2,3,2,2,3,3,1,2,2,2,2,3,1,2,2,2,2,3,2,3,2,2,1,2,2,2,2, %U A277070 3,2,3,1,2,2,2,2,3,2,3,2,1,2,2,2,2,3,2,3,2,2,3,3,2,3,3,1,2,2,2,2 %N A277070 Row length of A276380(n). %C A277070 a(n) represents the partition size generated by greedy algorithm at A276380(n) such that all parts k are unique and in A003586. %C A277070 See A276380 for further comments about the greedy algorithm. %C A277070 Row n = 1 for n that are in A003586. %C A277070 A237442(n) represents the smallest possible partition size such that all k are distinct and in A003586. 该定义定义了“双基数系”中的n的“Chanic”表示,即基(2,3),本质上是具有长度A32442(n)的两个碱基。πC A27 7070 A(n)与n=41, 43, 59、86, 88, 91、113, 118, 123、135, 155, 172、176, 177, 182、185, 209, 215、226, 236, 239、248、……的A23 442(n)不同。(A77071.),G. Jullien,R. Muscedere,多基数系统理论和应用,第二版,CRC出版社,2012,pp.35-39 .% %HA707070 Michael De Vlieger,n,a(n)n=1…10000的表%e A277070 a(n) Terms k in row n of A276380: %e A277070 1 1 %e A277070 1 2 %e A277070 1 3 %e A277070 1 4 %e A277070 2 1,4 %e A277070 1 6 %e A277070 2 1,6 %e A277070 1 8 %e A277070 1 9 %e A277070 2 1,9 %e A277070 2 2,9 %e A277070 1 12 %e A277070 2 1,12 %e A277070 2 2,12 %e A277070 2 3,12 %e A277070 1 16 %e A277070 2 1,16 %e A277070 1 18 %e A277070 2 1,18 %e A277070 2 2,18 %e A277070 2 3,18 %e A277070 2 4,18 %e A277070 3 1,4,18 %e A277070 ... %e A277070 a(41) = 3 since A276380(41) = {1,4,36}, but {9,32} is the shortest possible partition of 41 such that all terms are distinct and in A003586. %e A277070 a(88) = 3 since A276380(88) = {1,6,81}, but {16,72} and {24,64} are shorter and have A237442(88) = 2 terms. %t A277070 Table[Length@ DeleteCases[Append[Abs@ Differences@ #, Last@ #], k_ /; k == 0] &@ NestWhileList[# - SelectFirst[# - Range[0, # - 1], Block[{m = #, n = 6}, While[And[m != 1!] n=gCD[ m,n];m=1,&,n,1,100,} %y yA707070,A000 358,A23 742,A27 6380,A27 7071.0%K A27 7070,NON %O O A27 7070,1 5 5 % A A27 7070,迈克尔德维列格尔,9月27日2016‰内容在OEIS最终用户许可协议下可用:HTTP:/OEIS.Org/Lub Coprimeq(m,n)