A172684 Number of 4*n X 8 0..2 arrays with row sums 2 and column sums n

2520, 545007960, 250071339672000, 163081394186253543000, 130096688857163908226867520, 118274738663434470504494036529600, 117847210656873992022720603629873856000

Offset

1,1

Links

R. H. Hardin, Table of n, a(n) for n=1..24

Crossrefs

Sequence in context: A228080 A172553 A172580 * A172652 A217862 A144971

Adjacent sequences: A172681 A172682 A172683 * A172685 A172686 A172687

Keyword

nonn

Author

R. H. Hardin Feb 06 2010

Status

approved