Number of n X n 0..1 arrays with every element unequal to 0, 1, 3, 4 or 6 king-move adjacent elements, with upper left element zero.
A304538
Number of n X n 0..1 arrays with every element unequal to 0, 1, 3, 4 or 6 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =1a(1) =5a(2) =9a(3) =70a(4) =461a(5) =2558a(6) =53098a(7) =1991764a(8) =96472384a(9) =10666038086
External references
- oeis: A304538