Geometric mean of the digits = 3. In other words, the product of the digits is = 3^k where k is the number of digits.

A061427

Geometric mean of the digits = 3. In other words, the product of the digits is = 3^k where k is the number of digits.

Terms

    a(0) =3a(1) =19a(2) =33a(3) =91a(4) =139a(5) =193a(6) =319a(7) =333a(8) =391a(9) =913a(10) =931a(11) =1199a(12) =1339a(13) =1393a(14) =1919a(15) =1933a(16) =1991a(17) =3139a(18) =3193a(19) =3319a(20) =3333a(21) =3391a(22) =3913a(23) =3931a(24) =9119a(25) =9133a(26) =9191a(27) =9313a(28) =9331a(29) =9911

External references