Numbers having three 5's in base 8.

Terms

a(0) =365a(1) =877a(2) =1389a(3) =1901a(4) =2413a(5) =2605a(6) =2669a(7) =2733a(8) =2797a(9) =2861a(10) =2885a(11) =2893a(12) =2901a(13) =2909a(14) =2917a(15) =2920a(16) =2921a(17) =2922a(18) =2923a(19) =2924a(20) =2926a(21) =2927a(22) =2933a(23) =2941a(24) =2989a(25) =3053a(26) =3437a(27) =3949a(28) =4461a(29) =4973