Numbers having four 6's in base 8.

Terms

a(0) =3510a(1) =7606a(2) =11702a(3) =15798a(4) =19894a(5) =23990a(6) =25014a(7) =25526a(8) =26038a(9) =26550a(10) =27062a(11) =27574a(12) =27702a(13) =27766a(14) =27830a(15) =27894a(16) =27958a(17) =28022a(18) =28038a(19) =28046a(20) =28054a(21) =28062a(22) =28070a(23) =28078a(24) =28080a(25) =28081a(26) =28082a(27) =28083a(28) =28084a(29) =28085