a(n) = a(n-1)^2 - a(n-2) for n > 2; a(1)=3, a(2)=0.
A177785
a(n) = a(n-1)^2 - a(n-2) for n > 2; a(1)=3, a(2)=0.
Terms
- a(0) =3a(1) =0a(2) =-3a(3) =9a(4) =84a(5) =7047a(6) =49660125
External references
- oeis: A177785
A177785
a(n) = a(n-1)^2 - a(n-2) for n > 2; a(1)=3, a(2)=0.