A302881 Number of 6Xn 0..1 arrays with every element equal to 0, 1, 3, 4 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

32, 42, 209, 858, 4849, 45897, 359518, 2795440, 24612087, 229678996, 2033049729, 17595489212, 158734355515, 1457646451815, 13060861095622, 115840845731074, 1044452206802108, 9479995763726021, 85151645686087391, 761720310814435390

Offset: 1

Author

R. H. Hardin, Apr 15 2018

Keywords

• nonn

Comments

Row 6 of A302877.

Examples

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

Links

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

Crossrefs

Cf. A302877.