A172714 Number of 7*n X 7 0..2 arrays with row sums 4 and column sums 4*n

344827336455, 134169254007831527780970675, 115401909362364329779895671658357933292000, 138888194169408560414765498059420203413991485926907191875

Offset

1,1

Links

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

Crossrefs

Sequence in context: A216907 A186911 A340155 * A080132 A080122 A269417

Adjacent sequences: A172711 A172712 A172713 * A172715 A172716 A172717

Keyword

nonn

Author

R. H. Hardin Feb 06 2010

Status

approved