a(0) = 0, a(1) = 3; a(n) = rev(a(n-1))*a(n-1) + a(n-2), where rev = digit reversal (A004086).

A307799

a(0) = 0, a(1) = 3; a(n) = rev(a(n-1))*a(n-1) + a(n-2), where rev = digit reversal (A004086).

Terms

    a(0) =0a(1) =3a(2) =9a(3) =84a(4) =4041a(5) =5673648

External references