A172767 Number of 3*n X n 0..3 arrays with row sums 6 and column sums 18

0, 1, 19546975, 80349760089959316, 11279631181377626877359650100, 31270791853997716490787029515342398010161, 1138966845227847811612995810985909503258495428544062880

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