A303523 Number of nX6 0..1 arrays with every element equal to 0, 1, 3, 4, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

13, 113, 286, 1875, 13031, 102779, 965150, 9961980, 109395622, 1249312308, 14535068668, 170908188530, 2021484478581, 23981853993648, 284987683948763, 3389805878799915, 40340446531700113, 480206820275333547

Offset: 1

Author

R. H. Hardin, Apr 25 2018

Keywords

• nonn

Comments

Column 6 of A303525.

Examples

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

Links

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

Crossrefs

Cf. A303525.