A232323 Number of (7+1)X(n+1) 0..1 arrays with every element equal to some horizontal or antidiagonal neighbor, with top left element zero.

610, 60605, 6764246, 1036869496, 158534446141, 23818815015639, 3587649343841650, 540472751303594139, 81418399274442809469, 12264913365847776296865, 1847601218114334916009886

Offset: 1

Author

R. H. Hardin, Nov 22 2013

Keywords

• nonn

Comments

Row 7 of A232316

Examples

			Some.solutions.for.n=2
..0..0..0....0..0..0....0..0..1....0..0..0....0..0..0....0..0..0....0..0..0
..1..1..0....0..1..1....1..1..1....1..1..1....0..1..1....0..0..0....1..1..0
..0..0..0....1..1..1....0..0..0....1..1..1....0..0..0....0..0..0....1..0..0
..0..1..1....1..1..1....1..1..1....0..0..0....0..0..0....0..1..1....1..1..1
..1..1..0....0..0..1....0..0..0....0..0..0....1..1..0....1..1..0....1..0..0
..1..0..0....0..1..1....0..1..0....0..0..0....1..0..1....0..0..0....0..1..1
..1..1..0....1..0..0....1..0..1....1..1..1....1..1..1....1..1..1....1..1..0
..1..0..0....0..1..1....0..1..1....1..1..1....1..1..1....1..0..0....1..0..0
		

Links

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