A229419 Number of 5X5 0..n zero-diagonal arrays with corresponding row and column sums equal

7736, 3801411, 345706336, 11782824375, 213067487016, 2476905427101, 20800072613376, 136134092151621, 731603301365000, 3351359707914031, 13453090382588256, 48331016196789131, 157962741320042456

Offset

1,1

Comments

Row 5 of A229417

Links

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

Example

Some solutions for n=1
..0..0..1..0..1....0..1..1..0..0....0..0..0..1..1....0..0..0..1..1
..0..0..0..1..1....1..0..1..0..0....1..0..0..1..0....0..0..1..0..0
..0..1..0..1..0....0..0..0..1..1....0..1..0..0..1....1..1..0..0..0
..1..0..0..0..1....0..1..0..0..1....1..0..1..0..1....0..0..1..0..1
..1..1..1..0..0....1..0..0..1..0....0..1..1..1..0....1..0..0..1..0

Crossrefs

Sequence in context: A278019 A146960 A179574 * A116239 A094400 A116282

Adjacent sequences: A229416 A229417 A229418 * A229420 A229421 A229422

Keyword

nonn

Author

R. H. Hardin Sep 22 2013

Status

approved