Number of (n+2)X(7+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000000 00000001 or 00000011.

A259893

Number of (n+2)X(7+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000000 00000001 or 00000011.

Terms

    a(0) =5352a(1) =40955a(2) =595513a(3) =4585294a(4) =28982771a(5) =265544204a(6) =2374588015a(7) =18039882288a(8) =144461629861

External references