Number of n X n 0..1 arrays with every element equal to 1, 2, 4, 5 or 8 king-move adjacent elements, with upper left element zero.
A298771
Number of n X n 0..1 arrays with every element equal to 1, 2, 4, 5 or 8 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =0a(1) =3a(2) =15a(3) =78a(4) =682a(5) =11320a(6) =484813a(7) =22160831a(8) =2093453587a(9) =397340932476
External references
- oeis: A298771