Number of (2+1) X (n+1) 0..1 arrays with every element equal to some horizontal, diagonal or antidiagonal neighbor, with top left element zero.
A232078
Number of (2+1) X (n+1) 0..1 arrays with every element equal to some horizontal, diagonal or antidiagonal neighbor, with top left element zero.
Terms
- a(0) =11a(1) =87a(2) =520a(3) =3681a(4) =26587a(5) =189404a(6) =1348429a(7) =9607995a(8) =68462448a(9) =487805049a(10) =3475683907a(11) =24764857724a(12) =176453944877
External references
- oeis: A232078