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 A178281 #6 Jul 22 2025 08:13:41 %S A178281 0,0,7448,171584,3023432,21306432,154462184,685844864,2920347912, %T A178281 9889081088,32177621552,86293676352,234878672352,554074612032, %U A178281 1280999302448,2735778096000,5764546457280,11186777912960,21769309667880 %N A178281 Number of collinear point triples in an n X n .. X n 6-dimensional cubical grid. %H A178281 R. H. Hardin, <a href="/A178281/b178281.txt">Table of n, a(n) for n=1..31</a> %Y A178281 Three collinear points in an n X n grid A000938 ; n X n X n grid A157882 %K A178281 nonn %O A178281 1,3 %A A178281 _R. H. Hardin_, suggested by R. J. Mathar in the Sequence Fans Mailing List, May 24 2010