a(n) = (a(n-1)^2 + a(n-2)^2 + a(n-1)*a(n-2))/a(n-3) with three initial ones.

A165903

a(n) = (a(n-1)^2 + a(n-2)^2 + a(n-1)*a(n-2))/a(n-3) with three initial ones.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =3a(4) =13a(5) =217a(6) =16693a(7) =21717363

External references