a(n) = a(n-1)+a(n-2) if n is odd, otherwise a(n) = a(n-1)*a(n-2) with a(1)=3 and a(2)=5.
A174442
a(n) = a(n-1)+a(n-2) if n is odd, otherwise a(n) = a(n-1)*a(n-2) with a(1)=3 and a(2)=5.
Terms
- a(0) =3a(1) =5a(2) =8a(3) =40a(4) =48a(5) =1920a(6) =1968a(7) =3778560a(8) =3780528
External references
- oeis: A174442