A172894 Number of n X n 0..6 arrays with row sums 6 and column sums 6.

1, 1, 7, 406, 132724, 164176640, 602351808741, 5562418293759978, 114601242382721619224, 4801114002903931560293544, 379957050243738294456427057200, 53499490664883668314419655562118240

Offset: 0

Author

R. H. Hardin, Feb 06 2010

Keywords

• nonn

Links

• R. H. Hardin, Table of n, a(n) for n = 0..25

Crossrefs

Column k=6 of A257493.