A212947 Number of 5Xn 0..n-1 arrays with no column j greater than or equal to than column j-1 in all rows.

1, 781, 10669771, 801439905901, 212180664326328751, 153322267564381742818531, 255478496068295791189905082231, 870723772630086411238479367066774381, 5548968833443344688974970978997318268321031

Offset: 1

Author

R. H. Hardin May 31 2012

Keywords

• nonn

Comments

Row 5 of A212943

Examples

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

Links

• R. H. Hardin, Table of n, a(n) for n = 1..18