Sylvester's sequence: a(n+1) = a(n)^2 - a(n) + 1, with a(0) = 2.

A000058

Sylvester's sequence: a(n+1) = a(n)^2 - a(n) + 1, with a(0) = 2.

Terms

    a(0) =2a(1) =3a(2) =7a(3) =43a(4) =1807a(5) =3263443

External references