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 A178287 #6 Jul 22 2025 08:14:24 %S A178287 0,0,0,131776,3470549,37807680,371453327,2166664192,10453333842, %T A178287 47955097344,177644368014,539461479744,1776632877223,4936852235840, %U A178287 12181833395949,30549903200768,72297760469620,155915494771968 %N A178287 Number of collinear point 4-tuples in an n X n .. X n 7-dimensional cubical grid. %H A178287 R. H. Hardin, <a href="/A178287/b178287.txt">Table of n, a(n) for n=1..22</a> %Y A178287 Three collinear points in an n X n grid A000938 ; n X n X n grid A157882 %K A178287 nonn %O A178287 1,4 %A A178287 _R. H. Hardin_, suggested by R. J. Mathar in the Sequence Fans Mailing List, May 24 2010