Number of (n+2)X(5+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000000 00000001 or 00001001.
A259959
Number of (n+2)X(5+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000000 00000001 or 00001001.
Terms
- a(0) =808a(1) =3227a(2) =18681a(3) =95505a(4) =501606a(5) =2680028a(6) =14134043a(7) =74413321a(8) =393674107a(9) =2081832486a(10) =10993767973a(11) =58065668063a(12) =306806287833
External references
- oeis: A259959