A172883 Number of 3*n X n 0..5 arrays with row sums 7 and column sums 21

0, 580, 61236085104, 889348003628262655840, 747407928835934560435386462917600, 20140279098377603754458043886598358319686833280

Offset

1,2

Links

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

Crossrefs

Sequence in context: A206616 A172763 A172835 * A260541 A162705 A244344

Adjacent sequences: A172880 A172881 A172882 * A172884 A172885 A172886

Keyword

nonn

Author

R. H. Hardin Feb 06 2010

Status

approved