Number of (n+2)X(7+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000000 00000001 or 00010101.
A260474
Number of (n+2)X(7+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000000 00000001 or 00010101.
Terms
- a(0) =1716a(1) =5891a(2) =36254a(3) =161176a(4) =839073a(5) =4771920a(6) =24138984a(7) =123310754a(8) =662480793a(9) =3462881003a(10) =17901457898a(11) =94193468029a(12) =494253218713
External references
- oeis: A260474