Number of n X n binary arrays with every 1 having exactly two king-move neighbors equal to 1.
A183443
Number of n X n binary arrays with every 1 having exactly two king-move neighbors equal to 1.
Terms
- a(0) =1a(1) =5a(2) =18a(3) =72a(4) =2054a(5) =53608a(6) =1744887a(7) =216103851a(8) =39184763856
External references
- oeis: A183443