Number of n X n 0..1 arrays with every element equal to 0, 1, 2, 3, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero.
A300261
Number of n X n 0..1 arrays with every element equal to 0, 1, 2, 3, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =1a(1) =8a(2) =95a(3) =2030a(4) =138215a(5) =20341795a(6) =6717267728
External references
- oeis: A300261