Number of (n+1)X(5+1) 0..1 arrays with each 2X2 subblock having clockwise pattern 0000 0001 0101 0111.

A259512

Number of (n+1)X(5+1) 0..1 arrays with each 2X2 subblock having clockwise pattern 0000 0001 0101 0111.

Terms

    a(0) =689a(1) =9227a(2) =126045a(3) =1769635a(4) =25009044a(5) =355119489a(6) =5050441910a(7) =71892362811

External references