|
| |
|
|
A178269
|
|
Number of collinear point 4-tuples in an n X n .. X n 4-dimensional cubical grid
|
|
1
|
|
|
|
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
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
|
OFFSET
|
1,4
|
|
|
LINKS
|
|
|
|
CROSSREFS
|
Three collinear points in an n X n grid A000938 ; n X n X n grid A157882
|
|
|
KEYWORD
|
nonn
|
|
|
AUTHOR
|
R. H. Hardin, suggested by R. J. Mathar in the Sequence Fans Mailing List, May 24 2010
|
|
|
STATUS
|
approved
|
| |
|
|
