A172882 Number of 3*n X n 0..5 arrays with row sums 6 and column sums 18

0, 1751, 31175004775, 45086287276225676316, 2621840984501107521339241754700, 3490160725561441439459874178515370729198161, 69170157963114769801393728393183054793115323713429835710

Offset

1,2

Links

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

Crossrefs

Sequence in context: A324710 A201801 A172833 * A251892 A143994 A157325

Adjacent sequences: A172879 A172880 A172881 * A172883 A172884 A172885

Keyword

nonn

Author

R. H. Hardin Feb 06 2010

Status

approved