a(1) = 1; a(n) = sum of the sum and the product of all previous terms.

A062097

a(1) = 1; a(n) = sum of the sum and the product of all previous terms.

Terms

    a(0) =1a(1) =2a(2) =5a(3) =18a(4) =206a(5) =37312a(6) =1383566504

External references