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Numbers n such that in their binary representation all numbers from 1 to n are contained in n!.
3

%I #4 Mar 30 2012 18:50:43

%S 1,2,3,4,6,7,8,14,23,26,28,30,33,34,35,39,42,43,51,53,58,61,62,63,64,

%T 66,68,70,73,77,80,83,93,94,106,108,111,114,115,116,126,131,132,133,

%U 134,136,137,147,149,153,155,156,169,172,175,180,185,187,191,195,206

%N Numbers n such that in their binary representation all numbers from 1 to n are contained in n!.

%C A092601(a(n)) = a(n); complement of A093711.

%Y Cf. A036603, A007088, A000142.

%K nonn

%O 1,2

%A _Reinhard Zumkeller_, Apr 11 2004