Number of n X n 0..1 arrays with every element equal to 0, 1, 3, 4, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero.
A300315
Number of n X n 0..1 arrays with every element equal to 0, 1, 3, 4, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =1a(1) =4a(2) =16a(3) =735a(4) =31345a(5) =8002885a(6) =7221094975
External references
- oeis: A300315