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

A259295

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

Terms

    a(0) =1114a(1) =13774a(2) =148296a(3) =1729342a(4) =19528726a(5) =224879224a(6) =2569298018a(7) =29500968894a(8) =338055313800

External references