This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A186888 #16 Mar 15 2014 04:11:18
%S A186888 1,2,6,7,10,11,19,22,26,30,38,39,50,55,58,62,70,71,74,75,78,86,87,90,
%T A186888 95,98,102,103,107,110,111,114,115,118,122,126,131,135,138,151,167,
%U A186888 178,179,182,183,190,194,210,211,215,218,219,223,226,231,235,239,243,251,258,263,266,267,270,271,279,283,295,303,310,311,327,335,346
%N A186888 Indices of odd Kendall-Mann numbers (A000140).
%C A186888 Indices of odd terms of A000140, submitted at the request of _Alonso del Arte_, Feb 27 2011.
%t A186888 f[n_] := f[n] = Max@ CoefficientList[ Expand@ Product[ Sum[x^i, {i, 0, j}], {j, n - 1}], x]; Select[ Range@ 350, OddQ[ f@ #] &]
%Y A186888 Cf. A000140.
%K A186888 nonn
%O A186888 1,2
%A A186888 _Robert G. Wilson v_, Feb 28 2011