Number of (n+1)X(2+1) 0..3 arrays with 2X2 edge jumps all no more than +1 in one of the clockwise or counterclockwise directions or both.
A234754
Number of (n+1)X(2+1) 0..3 arrays with 2X2 edge jumps all no more than +1 in one of the clockwise or counterclockwise directions or both.
Terms
- a(0) =1014a(1) =26642a(2) =646036a(3) =15939010a(4) =392044622a(5) =9648827736a(6) =237446135146
External references
- oeis: A234754