Number of n X n 0..1 arrays with every element unequal to 0, 2, 3, 4, 7 or 8 king-move adjacent elements, with upper left element zero.
A316572
Number of n X n 0..1 arrays with every element unequal to 0, 2, 3, 4, 7 or 8 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =1a(1) =4a(2) =11a(3) =246a(4) =3180a(5) =129257a(6) =8469438a(7) =730909482a(8) =185758559665
External references
- oeis: A316572