Number of (n+1)X(4+1) 0..1 arrays with every element equal to some horizontal or antidiagonal neighbor, with top left element zero.
A232312
Number of (n+1)X(4+1) 0..1 arrays with every element equal to some horizontal or antidiagonal neighbor, with top left element zero.
Terms
- a(0) =52a(1) =853a(2) =14042a(3) =231454a(4) =3815483a(5) =62897985a(6) =1036869496a(7) =17092731689a(8) =281772661177
External references
- oeis: A232312