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A172890
Number of n X n 0..6 arrays with row sums 8 and column sums 8
1
0, 5, 756, 855877, 4545739180, 91288388141100, 5834634337385578935, 1035075803117199670120995, 456649509237912722080809820584, 458136022051795651814655857322653175
OFFSET
1,2
LINKS
CROSSREFS
Sequence in context: A260481 A157281 A171269 * A332175 A195612 A051304
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 06 2010
STATUS
approved