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.

A178270 Number of collinear point 5-tuples in an n X n .. X n 4-dimensional cubical grid.

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%I A178270 #5 Jul 22 2025 08:12:37
%S A178270 0,0,0,0,888,9952,58360,241600,825560,2337408,5997720,13677376,
%T A178270 29637936,58967520,112217328,203187264,356500560,595939648,978817680,
%U A178270 1546416960,2405951944,3652967008,5438947528,7891156160,11396568424,16126862080
%N A178270 Number of collinear point 5-tuples in an n X n .. X n 4-dimensional cubical grid.
%Y A178270 Three collinear points in an n X n grid A000938 ; n X n X n grid A157882
%K A178270 nonn
%O A178270 1,5
%A A178270 _R. H. Hardin_, suggested by R. J. Mathar in the Sequence Fans Mailing List, May 24 2010