A172910 Number of 2*n X n 0..6 arrays with row sums 9 and column sums 18

0, 44, 22119391, 649096595660632, 496395338691326078075775, 6287689969637354023974752834007500, 936126190440040230109711933212013162356155460

Offset

1,2

Links

R. H. Hardin, Table of n, a(n) for n=1..10

Crossrefs

Sequence in context: A119078 A172878 A001782 * A119058 A218402 A131994

Adjacent sequences: A172907 A172908 A172909 * A172911 A172912 A172913

Keyword

nonn

Author

R. H. Hardin Feb 06 2010

Status

approved