A172691 Number of 5*n X 20 0..2 arrays with row sums 4 and column sums n.

305540235000, 54918587341306311174536985000, 70118545603035216189674302236706595177583000000, 232273808505581071157606795985678847488890659685774558806222665000

Offset

1,1

Links

R. H. Hardin, Table of n, a(n) for n=1..10

Crossrefs

Sequence in context: A287247 A172578 A172588 * A172785 A172847 A354071

Adjacent sequences: A172688 A172689 A172690 * A172692 A172693 A172694

Keyword

nonn

Author

R. H. Hardin, Feb 06 2010

Status

approved