A variant of Sylvester's sequence: a(0)=1 and for n>0, a(n) = (a(0)*a(1)*...*a(n-1)) + 1.

A129871

A variant of Sylvester's sequence: a(0)=1 and for n>0, a(n) = (a(0)*a(1)*...*a(n-1)) + 1.

Terms

    a(0) =1a(1) =2a(2) =3a(3) =7a(4) =43a(5) =1807a(6) =3263443

External references