A172821 Number of n X 5 0..4 arrays with row sums 5 and column sums n

1, 51, 3391, 261331, 21107931, 1825913781, 165824491281, 15611242525971, 1511084106275011, 149563116897254161, 15076390343931567861, 1543079518763428325461, 159985421854875339469501

Offset

1,2

Links

R. H. Hardin, Table of n, a(n) for n=1..95

Crossrefs

Sequence in context: A238603 A128917 A172742 * A172868 A015271 A221116

Adjacent sequences: A172818 A172819 A172820 * A172822 A172823 A172824

Keyword

nonn

Author

R. H. Hardin Feb 06 2010

Status

approved