A232083 Number of (7+1)X(n+1) 0..1 arrays with every element equal to some horizontal, diagonal or antidiagonal neighbor, with top left element zero.

3809, 1193537, 164650280, 34420057373, 7588839921175, 1623332441842096, 346245388962998639, 73998528709201418867, 15817322237857233639836, 3380527884608408309224127, 722490763842803146891010551

Offset: 1

Author

R. H. Hardin, Nov 17 2013

Keywords

• nonn

Comments

Row 7 of A232076

Examples

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

Links

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