A223668 Number of nX7 0..1 arrays with rows, diagonals and antidiagonals unimodal.

29, 841, 12577, 119150, 920106, 6789502, 51831694, 418107416, 3535212700, 30760010124, 270819014018, 2389382612136, 21054370910762, 185252005692892, 1628826042317036, 14320554615413076, 125935880053887644

Offset: 1

Author

R. H. Hardin Mar 25 2013

Keywords

• nonn

Comments

Column 7 of A223669

Examples

			Some solutions for n=4
..0..0..0..0..0..0..0....0..0..1..1..1..1..0....0..0..1..0..0..0..0
..0..0..1..0..0..0..0....0..1..1..1..1..1..0....1..1..1..1..1..1..1
..0..0..0..0..0..0..0....1..1..1..1..0..0..0....0..0..0..0..0..1..1
..0..0..1..0..0..0..0....0..1..0..0..0..0..0....0..0..0..0..0..0..0
		

Links

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