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 A027246 #4 Mar 30 2012 18:56:15 %S A027246 1,1,3,5,12,24,53,117,246,580,1178,2916,6150,14834,32656,76221,173719, %T A027246 395048,926664,2063104,4958556,10847078,26619438,59372770,143365880, %U A027246 326086492,774562478,1792293014,4197344582,9861375614 %N A027246 a(n) = greatest number in row n of array T given by A026780. %K A027246 nonn %O A027246 0,3 %A A027246 _Clark Kimberling_