Geometric mean of digits of n (rounded down).

Terms

a(0) =0a(1) =1a(2) =2a(3) =3a(4) =4a(5) =5a(6) =6a(7) =7a(8) =8a(9) =9a(10) =0a(11) =1a(12) =1a(13) =1a(14) =2a(15) =2a(16) =2a(17) =2a(18) =2a(19) =3a(20) =0a(21) =1a(22) =2a(23) =2a(24) =2a(25) =3a(26) =3a(27) =3a(28) =4a(29) =4