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A172836
Number of 3*n X n 0..4 arrays with row sums 6 and column sums 18
1
0, 141, 3757921291, 8871900691867826316, 753400574499912868356844716700, 1329096037020824944632051261867911008990401, 32446537190781931300574314797091618240587813777700345470
OFFSET
1,2
LINKS
CROSSREFS
Sequence in context: A066627 A172668 A172764 * A087001 A025379 A202279
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 06 2010
STATUS
approved