Number of (3+1)X(n+1) 0..1 arrays with every element equal to some horizontal or antidiagonal neighbor, with top left element zero.
A232319
Number of (3+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) =13a(1) =115a(2) =1202a(3) =14042a(4) =164014a(5) =1905436a(6) =22161823a(7) =257723189a(8) =2997153100a(9) =34854893113a(10) =405339144562
External references
- oeis: A232319