Number of n X n binary arrays with every 1 having exactly three king-move neighbors equal to 1.
A183451
Number of n X n binary arrays with every 1 having exactly three king-move neighbors equal to 1.
Terms
- a(0) =1a(1) =2a(2) =5a(3) =10a(4) =60a(5) =439a(6) =2906a(7) =36995a(8) =739752a(9) =16870217a(10) =577680500a(11) =39980454239
External references
- oeis: A183451