A224350 Number of nX5 0..2 arrays with diagonals and antidiagonals unimodal and rows nondecreasing.

21, 441, 5840, 57387, 495985, 4231138, 37433596, 342170839, 3178789749, 29672959682, 277160393375, 2589242347971, 24204240827093, 226449704878547, 2120085885822119, 19857888410207651, 186050078426398273

Offset: 1

Author

R. H. Hardin Apr 04 2013

Keywords

• nonn

Comments

Column 5 of A224353

Examples

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

Links

• R. H. Hardin, Table of n, a(n) for n = 1..210
• R. H. Hardin, Empirical recurrence of order 56

Formula

Empirical recurrence of order 56 (see link above)