A223848 Number of nX6 0..3 arrays with rows and columns unimodal.

610, 372100, 87613063, 9625018705, 594861333098, 23571122875874, 655695544507798, 13664368909406118, 223826020405698042, 2989255089012594574, 33493784878205412870, 322121609577947478872

Offset: 1

Author

R. H. Hardin Mar 27 2013

Keywords

• nonn

Comments

Column 6 of A223850

Examples

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

Links

• R. H. Hardin, Table of n, a(n) for n = 1..26