A284333 Number of n X 7 0..1 arrays with the number of 1's horizontally, diagonally or antidiagonally adjacent to some 0 equal to the number of 0's adjacent to some 1, with top left element zero.

33, 1481, 120058, 13941789, 1495300322, 177476886878, 20513380740103, 2467754689139967, 294625135884008616, 35796621202795670294, 4346160057088704088179, 532218134572276626959066

Offset: 1

Author

R. H. Hardin, Mar 25 2017

Keywords

• nonn

Comments

Column 7 of A284334.

Examples

			Some solutions for n=3
..0..0..1..1..0..1..0. .0..1..1..0..1..0..0. .0..0..0..0..1..0..1
..0..0..0..0..1..1..0. .1..0..0..1..1..1..1. .1..1..0..1..0..1..1
..0..0..1..1..1..1..0. .0..0..1..0..0..1..0. .0..1..1..0..0..1..1
		

Links

• R. H. Hardin, Table of n, a(n) for n = 1..25

Crossrefs

Cf. A284334.