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!)
A172564 Number of 3*n X n 0..1 arrays with row sums 8 and column sums 24 1
0, 0, 0, 0, 0, 0, 0, 1, 1080491954750208000000, 14896749360215409445279324463510987496360000, 236894392610413599842635477924735827151557418755605148238560000000 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,9

LINKS

R. H. Hardin, Table of n, a(n) for n=1..12

CROSSREFS

Sequence in context: A173471 A291215 A115541 * A095438 A115503 A280299

Adjacent sequences:  A172561 A172562 A172563 * A172565 A172566 A172567

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 06 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 April 3 23:48 EDT 2020. Contains 333207 sequences. (Running on oeis4.)