A232321 Number of (5+1) X (n+1) 0..1 arrays with every element equal to some horizontal or antidiagonal neighbor, with top left element zero.

89, 2640, 90157, 3815483, 161243887, 6736602042, 281959315373, 11801434817942, 493946679273719, 20673894894951135, 865297397287880776, 36216658523348672068, 1515833034012979726393, 63444555196518747182748

Offset: 1

Author

R. H. Hardin, Nov 22 2013

Keywords

• nonn

Comments

Row 5 of A232316.

Examples

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

Links

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

Crossrefs

Cf. A232316.