Number of n X n 0..1 arrays with every element equal to 1, 2, 4, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero.
A300109
Number of n X n 0..1 arrays with every element equal to 1, 2, 4, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =0a(1) =3a(2) =15a(3) =112a(4) =3776a(5) =346593a(6) =87633085a(7) =55075362479
External references
- oeis: A300109