A209836 The number of 5 x 5 matrices of nonnegative integers such that the sum of the entries in the i-th row equals the sum of the i-th column for each i and the total sum equals n.

1, 5, 25, 105, 405, 1425, 4665, 14265, 41100, 112140, 291360, 723960, 1727310, 3970770, 8822010, 18993870, 39724500, 80877480, 160602600, 311585340, 591523950, 1100383470, 2008360650, 3600512850, 6346983390, 11012013186, 18821052030, 31713870610, 52723656830

Offset

0,2

Links

Table of n, a(n) for n=0..28.

Crossrefs

Sequence in context: A255459 A083877 A293885 * A272762 A245551 A146882

Adjacent sequences: A209833 A209834 A209835 * A209837 A209838 A209839

Keyword

nonn

Author

Kazunori Nakamoto, Shingo Okuyama, Mar 14 2012

Status

approved