Numbers with multiplicative digital root value 9.

Terms

a(0) =9a(1) =19a(2) =33a(3) =91a(4) =119a(5) =133a(6) =191a(7) =313a(8) =331a(9) =911a(10) =1119a(11) =1133a(12) =1191a(13) =1313a(14) =1331a(15) =1911a(16) =3113a(17) =3131a(18) =3311a(19) =9111a(20) =11119a(21) =11133a(22) =11191a(23) =11313a(24) =11331a(25) =11911a(26) =13113a(27) =13131a(28) =13311a(29) =19111