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A172776
Number of 4*n X n 0..3 arrays with row sums 5 and column sums 20
1
0, 70, 125290570185, 47141783957741721328080, 1083265025247084674355419003777905401, 778626541064162359278560268669084299553822689853360
OFFSET
1,2
LINKS
CROSSREFS
Sequence in context: A056666 A172680 A121338 * A265728 A186073 A087043
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 06 2010
STATUS
approved