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 A054185 #7 Nov 12 2019 09:25:10
%S A054185 1,3,8,20,49,119,290,714,1781,4507,11580,30208,79941,214327,581292,
%T A054185 1592496,4400765,12251895,34326566,96694866,273639617,777444807,
%U A054185 2216341466,6336999666,18165573373,52191551315,150254448730,433350470586
%N A054185 Binomial transform of A000031.
%F A054185 G.f.: (1/(1 - x)) * (1 - Sum_{k>=1} phi(k)*log(1 - 2*(x/(1 - x))^k)/k). - _Ilya Gutkovskiy_, Nov 12 2019
%Y A054185 Cf. A000031.
%K A054185 nonn
%O A054185 0,2
%A A054185 _N. J. A. Sloane_, Apr 29 2000