login
A172793
Number of 6*n X 18 0..3 arrays with row sums 3 and column sums n.
1
137225088000, 1796185853884657144990080000, 163283938767642016139942363441093164154880000, 35452241260001460008130612784749576025029062217424089840000000
OFFSET
1,1
LINKS
CROSSREFS
Sequence in context: A172561 A172600 A172704 * A017542 A320722 A186177
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 06 2010
STATUS
approved