Number of (n+1)X(7+1) 0..3 arrays with 2X2 edge jumps all no more than +1 in one of the clockwise or counterclockwise directions but not both.

A234768

Number of (n+1)X(7+1) 0..3 arrays with 2X2 edge jumps all no more than +1 in one of the clockwise or counterclockwise directions but not both.

Terms

    a(0) =239044a(1) =17095452a(2) =570633100a(3) =54068454752

External references