Number of (n+2)X(5+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000000 00000001 or 00000101.
A259949
Number of (n+2)X(5+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000000 00000001 or 00000101.
Terms
- a(0) =801a(1) =4128a(2) =30351a(3) =141619a(4) =631626a(5) =3451108a(6) =18564547a(7) =92159926a(8) =465579244a(9) =2426793925a(10) =12493718508a(11) =63615992133a(12) =326137871580
External references
- oeis: A259949