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A242705 Lexicographically earliest sequence of distinct positive integers such that for any n>0 the number of ones in the binary representation of n divides a(n). 4

%I #9 May 21 2014 20:27:27

%S 1,2,4,3,6,8,9,5,10,12,15,14,18,21,16,7,20,22,24,26,27,30,28,32,33,36,

%T 40,39,44,48,25,11,34,38,42,46,45,51,52,50,54,57,56,60,64,68,35,58,63,

%U 66,72,69,76,80,55,75,84,88,65,92,70,85,78,13,62,74,81

%N Lexicographically earliest sequence of distinct positive integers such that for any n>0 the number of ones in the binary representation of n divides a(n).

%C This is a permutation of the positive integers.

%H Paul Tek, <a href="/A242705/b242705.txt">Table of n, a(n) for n = 1..10000</a>

%H Paul Tek, <a href="/A242705/a242705.txt">Perl program for this sequence</a>

%H <a href="/index/Per#IntegerPermutation">Index entries for sequences that are permutations of the natural numbers</a>

%o (Perl) See Links section.

%Y Cf. A242704, A242706 (inverse permutation).

%K nonn,base

%O 1,2

%A _Paul Tek_, May 21 2014

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Last modified March 29 04:59 EDT 2024. Contains 371264 sequences. (Running on oeis4.)