Number of (2+1)X(n+1) 0..1 arrays with every element equal to some horizontal or antidiagonal neighbor, with top left element zero.
A232318
Number of (2+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) =5a(1) =24a(2) =139a(3) =853a(4) =5241a(5) =32089a(6) =196698a(7) =1205422a(8) =7387476a(9) =45274221a(10) =277463582a(11) =1700438900a(12) =10421159854a(13) =63866201729a(14) =391404773682
External references
- oeis: A232318