Numbers having four 4's in base 9.

Terms

a(0) =3280a(1) =9841a(2) =16402a(3) =22963a(4) =26608a(5) =27337a(6) =28066a(7) =28795a(8) =29200a(9) =29281a(10) =29362a(11) =29443a(12) =29488a(13) =29497a(14) =29506a(15) =29515a(16) =29520a(17) =29521a(18) =29522a(19) =29523a(20) =29525a(21) =29526a(22) =29527a(23) =29528a(24) =29533a(25) =29542a(26) =29551a(27) =29560a(28) =29605a(29) =29686