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%I #10 Mar 11 2014 01:32:31
%S 1,4,6,12,20,24,29,40,50,74,86,99,106,115,143,160,196,210,230,276,298,
%T 342,367,385,400,416,435,456,479,505,543,576,644,674,711,740,805,844,
%U 871,928,978,1066,1111,1196,1243,1326,1374,1408,1457,1508,1587,1640
%N a(1)=1. a(n) = the smallest integer > a(n-1) such that a(n) written in binary contains binary n as a substring, and such that (for n>=2) each value a(k)-a(k-1), for 2<=k<=n, is unique.
%C For n >= 2, a(n)-a(n-1) = A160855(n).
%Y Cf. A160855.
%K nonn,base
%O 1,2
%A _Leroy Quet_, May 28 2009
%E Extended by _Ray Chandler_, Jun 15 2009
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