Numbers whose base-6 representation has the same nonzero number of 3's and 5's.

Terms

a(0) =23a(1) =33a(2) =59a(3) =69a(4) =95a(5) =105a(6) =113a(7) =119a(8) =125a(9) =137a(10) =138a(11) =139a(12) =140a(13) =142a(14) =167a(15) =177a(16) =183a(17) =189a(18) =195a(19) =198a(20) =199a(21) =200a(22) =202a(23) =207a(24) =239a(25) =249a(26) =275a(27) =285a(28) =311a(29) =321