login
A172573
Number of 3*n X 2*n 0..1 arrays with row sums 4 and column sums 6
1
0, 1, 90291600, 729833528645228700, 91880966659006902855367890000, 113498154592670786286712327731832894830000, 972197559210817377231037831422299544032898553608000000
OFFSET
1,3
LINKS
CROSSREFS
Sequence in context: A253269 A227654 A069318 * A015367 A323536 A216009
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 06 2010
STATUS
approved