Number of n X n 0..1 arrays avoiding 0 0 1 and 0 1 0 horizontally and 0 1 1 and 1 0 1 vertically.
A207413
Number of n X n 0..1 arrays avoiding 0 0 1 and 0 1 0 horizontally and 0 1 1 and 1 0 1 vertically.
Terms
- a(0) =2a(1) =16a(2) =92a(3) =742a(4) =13260a(5) =220882a(6) =4094666a(7) =129528304a(8) =4643477356a(9) =183171965504
External references
- oeis: A207413