Number of 2 X n 0..2 arrays with every 0 next to a 1 and every 1 next to a 2 horizontally, diagonally or antidiagonally.
A232150
Number of 2 X n 0..2 arrays with every 0 next to a 1 and every 1 next to a 2 horizontally, diagonally or antidiagonally.
Terms
- a(0) =1a(1) =23a(2) =191a(3) =1299a(4) =9097a(5) =65837a(6) =474721a(7) =3410799a(8) =24510495a(9) =176212555a(10) =1266835473a(11) =9107139805a(12) =65470085209a(13) =470658881191
External references
- oeis: A232150