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 A178273 #5 Jul 22 2025 08:12:52 %S A178273 0,0,0,0,0,0,0,2952,39280,277528,1387336,5511544,18524896,54756520, %T A178273 146203656 %N A178273 Number of collinear point 8-tuples in an n X n .. X n 4-dimensional cubical grid. %Y A178273 Three collinear points in an n X n grid A000938 ; n X n X n grid A157882 %K A178273 nonn %O A178273 1,8 %A A178273 _R. H. Hardin_, suggested by R. J. Mathar in the Sequence Fans Mailing List, May 24 2010