A062129 written in base 10.

Terms

a(0) =0a(1) =3a(2) =3a(3) =9a(4) =5a(5) =15a(6) =9a(7) =21a(8) =9a(9) =27a(10) =15a(11) =27a(12) =15a(13) =27a(14) =21a(15) =45a(16) =17a(17) =51a(18) =27a(19) =99a(20) =99a(21) =63a(22) =-1a(23) =63a(24) =27a(25) =99a(26) =-1a(27) =255a(28) =-1a(29) =63