a(n) = a(n-1) + a(n-2) + a(n-1)*a(n-2) for n>=2; a(0)=2, a(1)=3.

A100701

a(n) = a(n-1) + a(n-2) + a(n-1)*a(n-2) for n>=2; a(0)=2, a(1)=3.

Terms

    a(0) =2a(1) =3a(2) =11a(3) =47a(4) =575a(5) =27647a(6) =15925247a(7) =440301256703

External references