A178269 Number of collinear point 4-tuples in an n X n .. X n 4-dimensional cubical grid.

0, 0, 0, 520, 5632, 31176, 135240, 429360, 1211208, 3028224, 6888216, 13961448, 28262776, 52206088, 91745904, 157574640, 263360352, 418048464, 657072528, 991543416, 1487807520, 2194825240, 3156000184, 4416200736, 6212710248

Offset: 1

Author

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

Keywords

• nonn

Links

• R. H. Hardin, Table of n, a(n) for n=1..33

Crossrefs

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