Number of (n+2)X(4+2) 0..1 arrays with no 3x3 subblock diagonal sum 1 and no antidiagonal sum 1 and no row sum 0 or 1 and no column sum 0 or 1.
A255155
Number of (n+2)X(4+2) 0..1 arrays with no 3x3 subblock diagonal sum 1 and no antidiagonal sum 1 and no row sum 0 or 1 and no column sum 0 or 1.
Terms
- a(0) =331a(1) =1285a(2) =5615a(3) =24076a(4) =102481a(5) =437238a(6) =1863728a(7) =7949259a(8) =33910512a(9) =144564567a(10) =616312719a(11) =2628123398a(12) =11206734215a(13) =47784070740a(14) =203747023090a(15) =868773624459
External references
- oeis: A255155