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A172599
Number of 6*n X 12 0..1 arrays with row sums 2 and column sums n
1
7484400, 21959547410077200, 229747284991066934931840000, 4237239732072431006302896746240010000, 107858549105202487690102571993535153527817734400
OFFSET
1,1
LINKS
CROSSREFS
Sequence in context: A233702 A233707 A172547 * A172705 A105003 A270993
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 06 2010
STATUS
approved