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 A178269 #6 Jul 22 2025 08:12:29 %S A178269 0,0,0,520,5632,31176,135240,429360,1211208,3028224,6888216,13961448, %T A178269 28262776,52206088,91745904,157574640,263360352,418048464,657072528, %U A178269 991543416,1487807520,2194825240,3156000184,4416200736,6212710248 %N A178269 Number of collinear point 4-tuples in an n X n .. X n 4-dimensional cubical grid. %H A178269 R. H. Hardin, <a href="/A178269/b178269.txt">Table of n, a(n) for n=1..33</a> %Y A178269 Three collinear points in an n X n grid A000938 ; n X n X n grid A157882 %K A178269 nonn %O A178269 1,4 %A A178269 _R. H. Hardin_, suggested by R. J. Mathar in the Sequence Fans Mailing List, May 24 2010