Number of n X n 0..1 arrays with every element equal to 0, 1, 2, 3, 4, 5, 7 or 8 king-move adjacent elements, with upper left element zero.
A300209
Number of n X n 0..1 arrays with every element equal to 0, 1, 2, 3, 4, 5, 7 or 8 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =1a(1) =8a(2) =228a(3) =22194a(4) =7452385a(5) =8664017314
External references
- oeis: A300209