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A172855
Number of n X n 0..5 arrays with row sums 6 and column sums 6.
1
0, 5, 355, 126660, 160936020, 596500235301, 5533046895002949, 114246189025868653880, 4791845694620286764862960, 379477402498522892976988816800, 53453544889838303139764031973905360
OFFSET
1,2
LINKS
CROSSREFS
Sequence in context: A332135 A225578 A172014 * A376867 A006108 A061456
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 06 2010
STATUS
approved