Totally multiplicative sequence with a(p) = a(p-1) + 9 for prime p.

Terms

a(0) =1a(1) =10a(2) =19a(3) =100a(4) =109a(5) =190a(6) =199a(7) =1000a(8) =361a(9) =1090a(10) =1099a(11) =1900a(12) =1909a(13) =1990a(14) =2071a(15) =10000a(16) =10009a(17) =3610a(18) =3619a(19) =10900a(20) =3781a(21) =10990a(22) =10999a(23) =19000a(24) =11881a(25) =19090a(26) =6859a(27) =19900a(28) =19909a(29) =20710