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 A178272 #5 Apr 21 2021 15:37:24 %S A178272 0,0,0,0,0,0,2080,26032,172872,813072,3044712,9667152,27131344, %T A178272 68725744,160984560,351148064,725480624,1421692128 %N A178272 Number of collinear point 7-tuples in an n X n .. X n 4-dimensional cubical grid. %Y A178272 Three collinear points in an n X n grid A000938; n X n X n grid A157882. %K A178272 nonn %O A178272 1,7 %A A178272 _R. H. Hardin_, suggested by R. J. Mathar in the Sequence Fans Mailing List, May 24 2010