The OEIS mourns the passing of Jim Simons and is grateful to the Simons Foundation for its support of research in many branches of science, including the OEIS.
login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A181724 The number of paths of a chess rook in a 8D hypercube, from (0..0) to (n..n), where the rook may move in steps that are multiples of (1,0..0), (0,1,0..0), ..., (0..0,1). 1
1, 40320, 214899027840, 2509137924026751360, 41795104403987233709518080, 852847938704373386478865686645120, 19846219244619878972245087341015659057280, 506348195597089273505079176351561351976609740160 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,2
LINKS
EXAMPLE
a(1) = 40320 because there are 40320 rook paths from (0..0) to (1..1).
CROSSREFS
Row d=8 of A181731.
Sequence in context: A172541 A287084 A071550 * A072269 A259113 A195392
KEYWORD
nonn
AUTHOR
Manuel Kauers, Nov 16 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 | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified May 28 16:36 EDT 2024. Contains 372916 sequences. (Running on oeis4.)