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A178276 Number of collinear point 4-tuples in an n X n .. X n 5-dimensional cubical grid. 1

%I #8 Oct 15 2023 18:46:46

%S 0,0,0,3376,48485,333840,1856075,7075840,23676246,70756800,186940290,

%T 428464080,1006177555,2103214736,4100587365,7898286080,14716985020,

%U 25687264320,44467993236,73105750320,119679027345,192873196720

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

%H R. H. Hardin, <a href="/A178276/b178276.txt">Table of n, a(n) for n=1..27</a>

%Y Three collinear points in an n X n grid A000938 ; n X n X n grid A157882.

%K nonn

%O 1,4

%A _R. H. Hardin_, suggested by _R. J. Mathar_ in the Sequence Fans Mailing List, May 24 2010

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Last modified April 17 08:35 EDT 2024. Contains 371763 sequences. (Running on oeis4.)