Number of n X 4 0..2 arrays with every element equal to some element at offset (-1,0) (-1,1) (0,-1) (0,1) or (1,0) both plus 1 mod 3 and minus 1 mod 3, with new values introduced in order 0..2.
A277655
Number of n X 4 0..2 arrays with every element equal to some element at offset (-1,0) (-1,1) (0,-1) (0,1) or (1,0) both plus 1 mod 3 and minus 1 mod 3, with new values introduced in order 0..2.
Terms
- a(0) =0a(1) =2a(2) =47a(3) =988a(4) =18754a(5) =376200a(6) =7393463a(7) =146226480a(8) =2887603008a(9) =57051216021
External references
- oeis: A277655