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 A102429 #7 Aug 03 2013 07:24:23 %S A102429 1,2,6,11,23,44,85,163,311,594,1132,2158,4112,7835,14928,28441,54186, %T A102429 103234,196679,374707,713880,1360061,2591143,4936559,9404966,17918024, %U A102429 34136814,65036304,123904967,236059552,449732673,856815474,1632375854 %N A102429 Row sums of A102427. %F A102429 G.f.: (1+x^2-x^3)/((1-x)*(1-x-2*x^2+x^4)). - _Vladeta Jovovic_, Apr 05 2005 %e A102429 1=1, 1+1=2, 1+3+2=6; 1+5+4+1=11 %Y A102429 Cf. A011973, A102426, A102427, A102428. %K A102429 easy,nonn %O A102429 0,2 %A A102429 _Russell Walsmith_, Jan 11 2005 %E A102429 More terms from _Vladeta Jovovic_, Apr 05 2005