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Union of {6} and A000961.
3

%I #7 May 20 2013 00:22:57

%S 1,2,3,4,5,6,7,8,9,11,13,16,17,19,23,25,27,29,31,32,37,41,43,47,49,53,

%T 59,61,64,67,71,73,79,81,83,89,97,101,103,107,109,113,121,125,127,128,

%U 131,137,139,149,151,157,163,167,169,173,179,181,191,193,197,199,211,223,227

%N Union of {6} and A000961.

%C This sequence gives the positions of ones in A225656, in other words, the numbers i such that A225655(i) = i.

%K nonn

%O 1,2

%A _Antti Karttunen_, May 19 2013