a(1)=1, a(2)=3, a(n)=a(n-2)*a(n-1)-a(n-2).
A173093
a(1)=1, a(2)=3, a(n)=a(n-2)*a(n-1)-a(n-2).
Terms
- a(0) =1a(1) =3a(2) =2a(3) =3a(4) =4a(5) =9a(6) =32a(7) =279a(8) =8896a(9) =2481705a(10) =22077238784
External references
- oeis: A173093
A173093
a(1)=1, a(2)=3, a(n)=a(n-2)*a(n-1)-a(n-2).