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
Keywords
Examples
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
Links
- R. H. Hardin, Table of n, a(n) for n = 1..15
Comments