login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A178260 Number of collinear point 8-tuples in an n X n cubical grid 0
0, 0, 0, 0, 0, 0, 0, 18, 184, 1030, 4180, 13750, 38896, 98098, 225972, 483412, 972772, 1858020, 3395076, 5966700, 10139220, 16715912, 26838572, 42058890, 64517116, 97018822, 143341936, 208297894 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,8

LINKS

Table of n, a(n) for n=1..28.

CROSSREFS

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

Sequence in context: A160954 A160955 A026091 * A296778 A155665 A036396

Adjacent sequences:  A178257 A178258 A178259 * A178261 A178262 A178263

KEYWORD

nonn

AUTHOR

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

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified June 25 06:20 EDT 2021. Contains 345452 sequences. (Running on oeis4.)