Number of (n+1)X(3+1) 0..4 arrays with 2X2 edge jumps all no more than +1 in one of the clockwise or counterclockwise directions but not both.
A234772
Number of (n+1)X(3+1) 0..4 arrays with 2X2 edge jumps all no more than +1 in one of the clockwise or counterclockwise directions but not both.
Terms
- a(0) =2056a(1) =28840a(2) =301776a(3) =4255966a(4) =49077768a(5) =678552840a(6) =8058197452a(7) =109362379520
External references
- oeis: A234772