A232313 Number of (n+1)X(5+1) 0..1 arrays with every element equal to some horizontal or antidiagonal neighbor, with top left element zero.

169, 5241, 164014, 5142441, 161243887, 5055954492, 158534446141, 4971005036586, 155870804492221, 4887484036570530, 153251920996775699, 4805366342762017785, 150677039074382364646, 4724628360214774512921, 148145419363647806378212

Offset: 1

Author

R. H. Hardin, Nov 22 2013

Keywords

• nonn

Comments

Column 5 of A232316

Examples

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

Links

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

Formula

Empirical: a(n) = 37*a(n-1) -184*a(n-2) +218*a(n-3) +76*a(n-4) -88*a(n-5) -273*a(n-6) +168*a(n-7) +210*a(n-8) -81*a(n-9) -107*a(n-10) +35*a(n-11) -a(n-12) for n>13