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%I #12 Mar 03 2018 09:47:51
%S 1,6,11,28,37,22,29,120,137,83,43,92,205,59,61,496,529,291,595,167,
%T 169,86,183,376,793,410,437,220,925,123,125,2016,2081,1091,2211,583,
%U 293,1227,2471,2536,2601,339,171,2796,729,366,751,1520,3121,1586,1637,1652
%N a(n) = the smallest positive integer that, when written in binary, contains both binary n and binary 2n-1 as substrings.
%C If a(n) in binary was instead to contain binary n and binary 2n+1 as substrings, then a(n) would = 2n+1 for all n.
%H Rémy Sigrist, <a href="/A165819/b165819.txt">Table of n, a(n) for n = 1..10000</a>
%F a(n) = A294977(n, 2*n-1). - _Rémy Sigrist_, Mar 03 2018
%Y Cf. A165820, A165821, A165822, A294977.
%K base,nonn
%O 1,2
%A _Leroy Quet_, Sep 28 2009
%E More terms from _Carl R. White_, Oct 06 2009
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