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 A025575 #3 Mar 30 2012 18:56:04 %S A025575 1,1,2,3,8,13,40,65,211,343,1148,1866,6369,10351,35816,58201,203424, %T A025575 330525,1164228,1891454,6703372,10889622,38785840,63002765,225325940, %U A025575 365989685,1313494396,2133343150,7679038865,12471457095,45006411960,73091197335 %N A025575 a(n) = T(n,[ n/2 ]), where T is the array defined in A025564. %K A025575 nonn %O A025575 1,3 %A A025575 _Clark Kimberling_