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 A027245 #8 Oct 26 2019 15:29:11 %S A027245 1,2,6,27,103,501,2139,10792,49236,254818,1216292,6413110,31636466, %T A027245 169144070,855396960,4622049129,23826659677,129808799035,679300244477, %U A027245 3725129805623,19729309518411,108766381583871,581694364620265,3220950106534343,17364753783310851 %N A027245 Sum of squares of numbers in row n of array T given by A026769. %K A027245 nonn %O A027245 0,2 %A A027245 _Clark Kimberling_ %E A027245 More terms from _Sean A. Irvine_, Oct 26 2019