Number of (n+1) X (7+1) 0..1 arrays with each 2 X 2 subblock having clockwise pattern 0000 0001 0011 0101 or 1111.

A259523

Number of (n+1) X (7+1) 0..1 arrays with each 2 X 2 subblock having clockwise pattern 0000 0001 0011 0101 or 1111.

Terms

    a(0) =12096a(1) =981092a(2) =71482990a(3) =5417785744a(4) =407656116320

External references