Number of n X n 0..1 arrays with every element equal to 0, 1, 2, 4, 5 or 6 king-move adjacent elements, with upper left element zero.
A299009
Number of n X n 0..1 arrays with every element equal to 0, 1, 2, 4, 5 or 6 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =1a(1) =7a(2) =20a(3) =174a(4) =6908a(5) =379236a(6) =59666756a(7) =22388413097
External references
- oeis: A299009