Number of (n+2)X(n+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000000 00000001 or 00001011.
A260276
Number of (n+2)X(n+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000000 00000001 or 00001011.
Terms
- a(0) =34a(1) =85a(2) =747a(3) =6044a(4) =65907a(5) =1271212a(6) =28517537a(7) =866931786a(8) =41412466296
External references
- oeis: A260276