Number of n X n 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 1 1 and 1 0 1 vertically.
A207723
Number of n X n 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 1 1 and 1 0 1 vertically.
Terms
- a(0) =2a(1) =16a(2) =78a(3) =441a(4) =8575a(5) =277729a(6) =4799749a(7) =93547584a(8) =8978585264
External references
- oeis: A207723