A224278 Number of nX5 0..3 arrays with diagonals and rows unimodal and antidiagonals nondecreasing.

296, 17723, 442089, 8073038, 137489538, 2425304290, 45275725025, 883012703273, 17667432461262, 358042017265316, 7298750316970616, 149179000331610043, 3052840234754205390, 62514535525552969948, 1280625241031012026560

Offset: 1

Author

R. H. Hardin Apr 02 2013

Keywords

• nonn

Comments

Column 5 of A224281

Examples

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

Links

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