a(0)=1; thereafter a(n) = 3*a(n-1) with digits rearranged into nonincreasing order.

A321541

a(0)=1; thereafter a(n) = 3*a(n-1) with digits rearranged into nonincreasing order.

Terms

    a(0) =1a(1) =3a(2) =9a(3) =72a(4) =621a(5) =8631a(6) =98532a(7) =996552a(8) =9986652a(9) =99996552a(10) =999986652a(11) =9999996552a(12) =99999986652a(13) =999999996552

External references