A229420 Number of 6X6 0..n zero-diagonal arrays with corresponding row and column sums equal.

1375952, 23938685973, 28256240134144, 7093199984236625, 657759228191876016, 30505804179367041217, 850029945152225681408

Offset: 1

Author

R. H. Hardin Sep 22 2013

Keywords

• nonn

Comments

Row 6 of A229417

Examples

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