Quadratic recurrence: a(n+2) = a(n+1)^2 + a(n)^2 + 1, with a(0) = a(1) = 1.

A284604

Quadratic recurrence: a(n+2) = a(n+1)^2 + a(n)^2 + 1, with a(0) = a(1) = 1.

Terms

    a(0) =1a(1) =1a(2) =3a(3) =11a(4) =131a(5) =17283a(6) =298719251

External references