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 A026078 #3 Mar 30 2012 18:56:04 %S A026078 1,1,2,1,5,8,24,40,133,218,736,1203,4135,6743,23452,38194,134043, %T A026078 218115,770864,1253614,4455462,7242629,25859380,42022984,150615223, %U A026078 244700887,879876040,1429252775,5153445895,8369948745,30251941860,49127900370 %N A026078 a(n) = T(n,[ n/2 ]), where T is the array defined in A024996. %K A026078 nonn %O A026078 0,3 %A A026078 _Clark Kimberling_