Number of n X n 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 0 0 and 1 1 1 vertically.
A207839
Number of n X n 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 0 0 and 1 1 1 vertically.
Terms
- a(0) =2a(1) =16a(2) =72a(3) =780a(4) =10144a(5) =181896a(6) =5346600a(7) =235865752a(8) =13718515360
External references
- oeis: A207839