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%I #12 Feb 04 2015 23:29:58
%S 1,2,3,4,5,6,7,8,10,11,12,14,16,20,22,24,28,32,40,44,48,56,64,80,88,
%T 96,112,128,160,176,192,224,256,317,320,352,384,448,512,634,640,704,
%U 768,896,1024,1268,1280,1408,1536,1792,2048,2536,2560,2816,3072,3584,4096,5072,5120,5632,6144,7168,8192,10144,10240,11264
%N Fixed points of A254115 and A254116.
%C If n is a member, then 2n is as well, and vice versa, thus the sequence is completely determined by its odd terms: 1, 3, 5, 7, 11, 317, 15989189, 16964283, ...
%H Antti Karttunen, <a href="/A254099/b254099.txt">Table of n, a(n) for n = 1..152</a>
%o (PARI)
%o \\ Needs also code from A254116:
%o isA254099(n) = (A254116(n) == n);
%o i=0; for(n=1, 123456789, if(isA254099(n), i++; write("b254099.txt", i, " ", n)))
%o (Scheme, with _Antti Karttunen_'s IntSeq-library)
%o (define A254099 (FIXED-POINTS 1 1 A254115))
%Y Subsequence: A000079.
%Y Cf. A254115, A254116.
%K nonn
%O 1,2
%A _Antti Karttunen_, Feb 04 2015
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