A293082 Number of n X 3 0..1 arrays with the number of 1's horizontally or antidiagonally adjacent to some 0 two less than the number of 0's adjacent to some 1.

0, 5, 53, 498, 4013, 31689, 246743, 1915490, 14853287, 115216476, 894466395, 6951525006, 54087414608, 421322913539, 3285654843025, 25650404747946, 200449942963173, 1567942963397654, 12275547702488649, 96186181822236986

Offset: 1

Author

R. H. Hardin, Sep 30 2017

Keywords

• nonn

Comments

Column 3 of A293087.

Examples

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

Links

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

Crossrefs

Cf. A293087.