Number of n X n 0..1 arrays with every element equal to 0, 1, 2, 3, 6, 7 or 8 king-move adjacent elements, with upper left element zero.
A299938
Number of n X n 0..1 arrays with every element equal to 0, 1, 2, 3, 6, 7 or 8 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =1a(1) =8a(2) =70a(3) =649a(4) =8379a(5) =124748a(6) =2237911a(7) =57942564a(8) =2226744922a(9) =121611666154
External references
- oeis: A299938