A285154 Number of 3 X n 0..1 arrays with the number of 1's horizontally or antidiagonally adjacent to some 0 one less than the number of 0's adjacent to some 1.

0, 12, 113, 820, 5773, 41620, 305641, 2274080, 17114289, 129576988, 987231526, 7551235806, 57992581744, 446683948074, 3450295188177, 26710836161850, 207217760171898, 1610393410029550, 12535446041119817, 97715224210141008

Offset: 1

Author

R. H. Hardin, Apr 12 2017

Keywords

• nonn

Comments

Row 3 of A285152.

Examples

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

Links

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

Crossrefs

Cf. A285152.