A284198 Number of n X 7 0..1 arrays with the number of 1's horizontally, antidiagonally or vertically adjacent to some 0 equal to the number of 0's adjacent to some 1, with top left element zero.

33, 1611, 105367, 14392557, 1321614728, 178138187113, 18564422929880, 2429325477564655, 271315506003954612, 34775052300161919967, 4048381878219586826112, 512565378120434864463849

Offset: 1

Author

R. H. Hardin, Mar 22 2017

Keywords

• nonn

Comments

Column 7 of A284199.

Examples

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

Links

• R. H. Hardin, Table of n, a(n) for n = 1..31

Crossrefs

Cf. A284199.