A172837 Number of 3*n X 15 0..4 arrays with row sums 5 and column sums n

756756, 19292117692187340, 2275745987915517509338826880, 540777843742195976921274441959885997900, 191792366099321483346227837613264957393284852811696

Offset

1,1

Links

R. H. Hardin, Table of n, a(n) for n=1..13

Crossrefs

Sequence in context: A172571 A172670 A172769 * A172885 A306959 A137468

Adjacent sequences: A172834 A172835 A172836 * A172838 A172839 A172840

Keyword

nonn

Author

R. H. Hardin Feb 06 2010

Status

approved