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A172770
Number of 3*n X 12 0..3 arrays with row sums 4 and column sums n
1
34650, 3536978063850, 1182802402030354182000, 671520101271652710399345719850, 520089040184399473996377693211802013900, 493319321787145287396560260323437116718848470000
OFFSET
1,1
LINKS
CROSSREFS
Sequence in context: A172579 A172570 A172672 * A172838 A172681 A251448
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 06 2010
STATUS
approved