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A178287 Number of collinear point 4-tuples in an n X n .. X n 7-dimensional cubical grid 1
0, 0, 0, 131776, 3470549, 37807680, 371453327, 2166664192, 10453333842, 47955097344, 177644368014, 539461479744, 1776632877223, 4936852235840, 12181833395949, 30549903200768, 72297760469620, 155915494771968 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,4

LINKS

R. H. Hardin, Table of n, a(n) for n=1..22

CROSSREFS

Three collinear points in an n X n grid A000938 ; n X n X n grid A157882

Sequence in context: A208488 A170800 A204760 * A234159 A345395 A161356

Adjacent sequences:  A178284 A178285 A178286 * A178288 A178289 A178290

KEYWORD

nonn

AUTHOR

R. H. Hardin, suggested by R. J. Mathar in the Sequence Fans Mailing List, May 24 2010

STATUS

approved

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Last modified October 4 01:04 EDT 2022. Contains 357237 sequences. (Running on oeis4.)