Numbers whose base-9 representation has the same nonzero number of 3's and 8's.

Terms

a(0) =35a(1) =75a(2) =116a(3) =156a(4) =197a(5) =237a(6) =251a(7) =260a(8) =269a(9) =287a(10) =296a(11) =305a(12) =314a(13) =315a(14) =316a(15) =317a(16) =319a(17) =320a(18) =321a(19) =322a(20) =359a(21) =399a(22) =440a(23) =480a(24) =521a(25) =561a(26) =602a(27) =642a(28) =651a(29) =660