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 A026654 #4 Mar 30 2012 18:56:09 %S A026654 1,1,3,4,8,14,36,57,114,222,558,928,1856,3764,9384,15971,31942,66190, %T A026654 164322,283464,566928,1190628,2948184,5131002,10262004,21749532, %U A026654 53761068,94153056,188306112,401757672,991821456,1745117091 %N A026654 a(n) = T(n,[ n/2 ]), T given by A026648. %K A026654 nonn %O A026654 0,3 %A A026654 _Clark Kimberling_