Number of (n+2)X(6+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000000 00000001 or 00001001.

A259960

Number of (n+2)X(6+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000000 00000001 or 00001001.

Terms

    a(0) =1884a(1) =8964a(2) =64891a(3) =410928a(4) =2680028a(5) =17818241a(6) =116786951a(7) =764080109a(8) =5022583984a(9) =33001259193a(10) =216587128266

External references