A326104 Number of nX7 0..1 arrays with every element equal to 0, 1, 2, 3 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.

64, 5536, 181227, 7140349, 285501774, 11436374461, 457515856087, 18304957522469, 732434052866467, 29307016828624452, 1172658992868162369, 46921473708684800557, 1877464197930752217833, 75122790849233220662502

Offset: 1

Author

R. H. Hardin, Jun 06 2019

Keywords

• nonn

Comments

Column 7 of A326105.

Examples

			Some solutions for n=5
..0..0..0..0..1..0..1. .0..0..0..1..0..0..1. .0..0..0..1..0..1..0
..0..1..0..1..1..1..1. .0..1..0..0..1..1..0. .0..1..0..0..1..0..1
..0..0..1..0..0..0..0. .0..0..1..0..0..1..1. .0..0..1..0..1..1..1
..0..1..0..1..0..1..0. .0..1..0..1..0..0..1. .0..1..0..0..0..0..0
..0..0..0..1..1..0..0. .0..0..1..1..0..1..1. .0..0..1..1..1..1..0
		

Links

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

Crossrefs

Cf. A326105.