Number of (n+1)X(4+1) 0..3 arrays with 2X2 edge jumps all no more than +1 in one of the clockwise or counterclockwise directions but not both.

A234765

Number of (n+1)X(4+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) =3800a(1) =64180a(2) =760072a(3) =14119456a(4) =197124696a(5) =3593149200a(6) =54068454752a(7) =958972097240

External references