A229872 Number of 5X5 0..n arrays with corresponding row and column sums equal

247552, 923742873, 354003288064, 36821326171875, 1656812779036416, 41629349513286507, 681576779395104768, 8038582007461068429, 73160330136500000000, 539739832319262606581, 3347559386080200916992

Offset

1,1

Comments

Row 5 of A229870

Links

R. H. Hardin, Table of n, a(n) for n = 1..15

Example

Some solutions for n=4
..0..0..0..0..1....0..0..0..0..0....0..0..0..0..1....0..0..0..0..0
..0..0..0..0..0....0..0..0..0..0....0..0..0..0..0....0..0..0..0..0
..0..0..3..0..4....0..0..3..2..3....0..0..1..2..4....0..0..0..1..3
..0..0..1..2..3....0..0..4..3..2....0..0..4..0..1....0..0..2..2..3
..1..0..3..4..2....0..0..1..4..1....1..0..2..3..1....0..0..2..4..3

Crossrefs

Sequence in context: A230525 A052198 A053077 * A172796 A268842 A223238

Adjacent sequences: A229869 A229870 A229871 * A229873 A229874 A229875

Keyword

nonn

Author

R. H. Hardin, Oct 01 2013

Status

approved