A224047 Number of nX5 0..3 arrays with rows and columns unimodal and antidiagonals nondecreasing.

296, 17723, 376734, 4646480, 41991129, 310514900, 1999959111, 11666303576, 63064614327, 319676018383, 1527645330800, 6898951459856, 29492315195008, 119554362889697, 460533210896643, 1689732709960111, 5919921112242653

Offset: 1

Author

R. H. Hardin Apr 01 2013

Keywords

• nonn

Comments

Column 5 of A224050

Examples

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

Links

• R. H. Hardin, Table of n, a(n) for n = 1..163
• R. H. Hardin, Empirical polynomial of degree 30

Formula

Empirical polynomial of degree 30 (see link above)