Number of (n+1)X(6+1) 0..1 arrays with each 2X2 subblock having clockwise pattern 0000 0001 0011 or 0111.

A259425

Number of (n+1)X(6+1) 0..1 arrays with each 2X2 subblock having clockwise pattern 0000 0001 0011 or 0111.

Terms

    a(0) =5116a(1) =244228a(2) =11155819a(3) =516880938a(4) =23840819225

External references