Number of n X n 0..1 arrays with every element equal to 0, 1, 2, 4, 5, 6 or 8 king-move adjacent elements, with upper left element zero.
A299800
Number of n X n 0..1 arrays with every element equal to 0, 1, 2, 4, 5, 6 or 8 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =1a(1) =7a(2) =20a(3) =174a(4) =7013a(5) =388453a(6) =61726046a(7) =23457257837
External references
- oeis: A299800