cp's OEIS Frontend

A181097 Permutation of positive integers created from sequence A002808(n) = composites.

%I A181097 #2 Mar 30 2012 19:00:24
%S A181097 4,6,8,1,9,2,10,3,5,7,12,11,14,13,15,16,18,17,20,19,21,22,24,23,25,26,
%T A181097 27,28,30,29,32,31,33,34,35,36,38,37,39,40,42,41,44,43,45,46,48,47,49,
%U A181097 50,51,52,54,53,55,56,57,58,60,59,62,61,63,64,65,66,68,67,69,70,72,71
%N A181097 Permutation of positive integers created from sequence A002808(n) = composites.
%C A181097 Method of creation of sequence a(n) from b(n) = A002808(n):
%C A181097 Take b(1) and put in vacancy place a(1), swap this place and b(1), repeat with b(2), b(3), ...:
%C A181097 b(1) = 4, a(1) = 4, a(4) = 1,
%C A181097 b(2) = 6, a(2) = 6, a(6) = 2,
%C A181097 b(3) = 8, a(3) = 8, a(8) = 3,
%C A181097 b(4) = 9, a(5) = 9, a(9) = 5,
%C A181097 b(5) = 10, a(7) = 10, a(10) = 7,
%C A181097 ...
%F A181097 a(n) = A135761(n) for n >= 11. a(n) = A181096(n) for n >= 11.
%K A181097 nonn
%O A181097 1,1
%A A181097 _Jaroslav Krizek_, Oct 02 2010