A172573 Number of 3*n X 2*n 0..1 arrays with row sums 4 and column sums 6

0, 1, 90291600, 729833528645228700, 91880966659006902855367890000, 113498154592670786286712327731832894830000, 972197559210817377231037831422299544032898553608000000

Offset

1,3

Links

R. H. Hardin, Table of n, a(n) for n=1..17

Crossrefs

Sequence in context: A253269 A227654 A069318 * A015367 A323536 A216009

Adjacent sequences: A172570 A172571 A172572 * A172574 A172575 A172576

Keyword

nonn

Author

R. H. Hardin Feb 06 2010

Status

approved