Number of (n+1)X(6+1) 0..1 arrays with each 2X2 subblock having clockwise pattern 0000 0001 0101 0111.

A259513

Number of (n+1)X(6+1) 0..1 arrays with each 2X2 subblock having clockwise pattern 0000 0001 0101 0111.

Terms

    a(0) =1939a(1) =38409a(2) =784130a(3) =16602297a(4) =355119489a(5) =7648655920a(6) =165145291429

External references