Number of (n+2)X(n+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000000 00000001 or 00010101.
A260467
Number of (n+2)X(n+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000000 00000001 or 00010101.
Terms
- a(0) =34a(1) =92a(2) =658a(3) =5034a(4) =57524a(5) =1095328a(6) =24138984a(7) =741446708a(8) =35549850396
External references
- oeis: A260467