a(n) = a(n-1)*a(n-2) - a(n-3) with a(0) = a(1) = a(2) = 3.
A061021
a(n) = a(n-1)*a(n-2) - a(n-3) with a(0) = a(1) = a(2) = 3.
Terms
- a(0) =3a(1) =3a(2) =3a(3) =6a(4) =15a(5) =87a(6) =1299a(7) =112998a(8) =146784315
External references
- oeis: A061021
A061021
a(n) = a(n-1)*a(n-2) - a(n-3) with a(0) = a(1) = a(2) = 3.