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.
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.
Terms
- a(0) =89a(1) =2640a(2) =90157a(3) =3815483a(4) =161243887a(5) =6736602042a(6) =281959315373
External references
- oeis: A232321