A285145 Number of n 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, 2, 113, 11574, 4551741, 7586120602, 52105131287528, 1469435682255774972, 168943399492409779855098, 78854409689567939731003347822, 148970519290227262688309540510302237

Offset: 1

Author

R. H. Hardin, Apr 12 2017

Keywords

• nonn

Comments

Diagonal of A285152.

Examples

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

Links

• R. H. Hardin, Table of n, a(n) for n = 1..12

Crossrefs

Cf. A285152.