Number of n X n 0..1 arrays with every element equal to 0, 1, 3, 4, 6, 7 or 8 king-move adjacent elements, with upper left element zero.
A300026
Number of n X n 0..1 arrays with every element equal to 0, 1, 3, 4, 6, 7 or 8 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =1a(1) =4a(2) =3a(3) =80a(4) =1637a(5) =18775a(6) =1841903a(7) =326461365a(8) =50773963070
External references
- oeis: A300026