cp's OEIS Frontend

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.

A178258 Number of collinear point 6-tuples in an n X n cubical grid.

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%I A178258 #6 Jul 22 2025 08:11:09
%S A178258 0,0,0,0,0,14,116,536,1824,5100,12432,27248,55148,104282,187120,
%T A178258 320244,527976,840276,1300944,1959780,2888920,4168470,5910540,8233080,
%U A178258 11310640,15309580,20477040,27057280,35393500,45803810,58784224,74742016,94324896
%N A178258 Number of collinear point 6-tuples in an n X n cubical grid.
%H A178258 R. H. Hardin, <a href="/A178258/b178258.txt">Table of n, a(n) for n=1..37</a>
%Y A178258 Three collinear points in an n X n grid A000938 ; n X n X n grid A157882
%K A178258 nonn
%O A178258 1,6
%A A178258 _R. H. Hardin_, suggested by R. J. Mathar in the Sequence Fans Mailing List, May 24 2010