A224352 Number of nX7 0..2 arrays with diagonals and antidiagonals unimodal and rows nondecreasing.

36, 1296, 26610, 363392, 3816783, 34697869, 300892325, 2654062881, 24422915139, 233364588801, 2281743365906, 22551656451002, 223794737692968, 2224124508821224, 22127253845604143, 220432254659284132

Offset: 1

Author

R. H. Hardin Apr 04 2013

Keywords

• nonn

Comments

Column 7 of A224353

Examples

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

Links

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