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A175325 a(n) = the smallest positive multiple of n such that a(n) written in binary contains only distinct run-lengths (of runs both of 0's and of 1's). 1

%I #7 Mar 11 2014 01:32:52

%S 1,4,3,4,15,6,7,8,63,30,55,24,39,14,15,16,255,126,57,60,63,572,391,24,

%T 225,572,135,28,319,30,31,32,1023,510,35,252,111,798,39,120,123,126,

%U 16383,572,135,782,799,48,49,900,255,572,159,540,55,112,57,1798,59,60

%N a(n) = the smallest positive multiple of n such that a(n) written in binary contains only distinct run-lengths (of runs both of 0's and of 1's).

%C a(m) = m, for all m in A044813.

%Y Cf. A044813, A175323

%K base,nonn

%O 1,2

%A _Leroy Quet_, Apr 05 2010

%E More terms from _Max Alekseyev_, Apr 26 2010

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Last modified July 28 23:06 EDT 2024. Contains 374727 sequences. (Running on oeis4.)