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A172704
Number of 6*n X 18 0..2 arrays with row sums 3 and column sums n
1
137225088000, 1796185853884657144990080000, 151012959794833573952000702864304916267008000, 30037987606650431798215986206016098569029061818175150320000000
OFFSET
1,1
LINKS
CROSSREFS
Sequence in context: A108389 A172561 A172600 * A172793 A017542 A320722
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 06 2010
STATUS
approved