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 A178274 #5 Jul 22 2025 08:12:59 %S A178274 0,0,0,0,0,0,0,0,4040,57152,428936,2273792 %N A178274 Number of collinear point 9-tuples in an n X n .. X n 4-dimensional cubical grid. %Y A178274 Three collinear points in an n X n grid A000938 ; n X n X n grid A157882 %K A178274 nonn %O A178274 1,9 %A A178274 _R. H. Hardin_, suggested by R. J. Mathar in the Sequence Fans Mailing List, May 24 2010