Number of n X n 0..1 arrays with every element equal to 2, 3, 4, 5 or 7 king-move adjacent elements, with upper left element zero.
A298623
Number of n X n 0..1 arrays with every element equal to 2, 3, 4, 5 or 7 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =0a(1) =1a(2) =8a(3) =125a(4) =20959a(5) =7087666a(6) =9557110072
External references
- oeis: A298623