Number of (n+2)X(5+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000000 00000001 or 00000011.
A259891
Number of (n+2)X(5+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000000 00000001 or 00000011.
Terms
- a(0) =936a(1) =4662a(2) =40435a(3) =202632a(4) =863502a(5) =5055255a(6) =28982771a(7) =144514845a(8) =753909576a(9) =4156538339a(10) =22079571360a(11) =115439403732a(12) =616985118609
External references
- oeis: A259891