A223800 Number of nX7 0..3 arrays with rows and antidiagonals unimodal.

1163, 1352569, 818316500, 370255807510, 147492079608804, 54863639440148543, 19618352087687868206, 6858114712379977473803, 2366525095854843153846166, 810568137864555472117760103, 276450663558980453778169837060

Offset: 1

Author

R. H. Hardin Mar 27 2013

Keywords

• nonn

Comments

Column 7 of A223801

Examples

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

Links

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