Number of n X n 0..1 arrays with every element equal to 0, 2, 3, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero.
A300090
Number of n X n 0..1 arrays with every element equal to 0, 2, 3, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =1a(1) =5a(2) =7a(3) =56a(4) =1301a(5) =43848a(6) =3273425a(7) =616964357a(8) =279529477217
External references
- oeis: A300090