A223974 Number of nX7 0..2 arrays with rows and antidiagonals unimodal.

239, 57121, 7829639, 822895397, 76942621022, 6766457318128, 574360426081996, 47758165568891552, 3923597116646870013, 320103299171867245506, 26009282573098001541721, 2108303995165038876541532

Offset: 1

Author

R. H. Hardin Mar 30 2013

Keywords

• nonn

Comments

Column 7 of A223975

Examples

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

Links

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