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 A060078 #2 Mar 31 2012 13:20:05 %S A060078 1,91,8526,948002,127838711,20829905733,4059150905356,935210483855284, %T A060078 251931148208847261,78543629143430050655,28079156490294534487226, %U A060078 11415592075705105510977846,5238681589930616835789832051 %N A060078 Sixth column of triangle A060074. %C A060078 Also sixth diagonal of triangle A060058. %C A060078 a(n) is n-fold iterated sum of squares with last upper summation index 6 and other upper summation indices j[k]+1, k=2,...,n. See Comments A060061 for the threefold iteration with last upper summation index n. %K A060078 nonn %O A060078 0,2 %A A060078 _Wolfdieter Lang_, Mar 16 2001