Number of (n+1)X(2+1) 0..2 arrays with every 2X2 subblock having the sum of the absolute values of the edge differences equal to 4.

A233943

Number of (n+1)X(2+1) 0..2 arrays with every 2X2 subblock having the sum of the absolute values of the edge differences equal to 4.

Terms

    a(0) =226a(1) =2108a(2) =19484a(3) =180972a(4) =1679760a(5) =15596008a(6) =144797048a(7) =1344358636a(8) =12481572704a(9) =115884202944

External references