A222327 Number of nX7 0..1 arrays with exactly floor(nX7/2) elements unequal to at least one king-move neighbor, with new values introduced in row major 0..1 order.

5, 0, 212, 3307, 15100, 255304, 2284728, 37484794, 318665044, 5848569858, 53774145449, 993959061317, 9141439223417, 171115897853704, 1590637978363140, 29928907006839532, 278649808319750564, 5257935209592087820

Offset: 1

Author

R. H. Hardin Feb 15 2013

Keywords

• nonn

Comments

Column 7 of A222328

Examples

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

Links

• R. H. Hardin, Table of n, a(n) for n = 1..34