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!)
A172767 Number of 3*n X n 0..3 arrays with row sums 6 and column sums 18 1
0, 1, 19546975, 80349760089959316, 11279631181377626877359650100, 31270791853997716490787029515342398010161, 1138966845227847811612995810985909503258495428544062880 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

R. H. Hardin, Table of n, a(n) for n=1..11

CROSSREFS

Sequence in context: A017395 A017659 A348267 * A122557 A284101 A303448

Adjacent sequences:  A172764 A172765 A172766 * A172768 A172769 A172770

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 | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified July 6 12:26 EDT 2022. Contains 355110 sequences. (Running on oeis4.)