a(1)=2, a(2)=3, a(n)=a(n-2)*a(n-1)-a(n-1).
A173094
a(1)=2, a(2)=3, a(n)=a(n-2)*a(n-1)-a(n-1).
Terms
- a(0) =2a(1) =3a(2) =3a(3) =6a(4) =12a(5) =60a(6) =660a(7) =38940a(8) =25661460a(9) =999231590940
External references
- oeis: A173094
A173094
a(1)=2, a(2)=3, a(n)=a(n-2)*a(n-1)-a(n-1).