A223875 Number of nX7 0..3 arrays with rows, diagonals and antidiagonals unimodal.

1163, 1352569, 539511985, 112751480926, 18196418303111, 2864914204785815, 484392484470533427, 87639412130515076262, 16416724973038782090075, 3109914769847317351993452, 590107761875963492888166548

Offset: 1

Author

R. H. Hardin Mar 28 2013

Keywords

• nonn

Comments

Column 7 of A223876

Examples

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

Links

• R. H. Hardin, Table of n, a(n) for n = 1..19