A232310 Number of (n+1)X(n+1) 0..1 arrays with every element equal to some horizontal or antidiagonal neighbor, with top left element zero.

2, 24, 1202, 231454, 161243887, 400571676322, 3587649343841650, 115662789623304964655, 13420410026776778616974635, 5604396268950285334109397116334, 8423557107575828118320152665611119144

Offset: 1

Author

R. H. Hardin, Nov 22 2013

Keywords

• nonn

Comments

Diagonal of A232316

Examples

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

Links

• R. H. Hardin, Table of n, a(n) for n = 1..15