Numbers whose base-6 representation has the same nonzero number of 2's and 5's.

Terms

a(0) =17a(1) =32a(2) =53a(3) =68a(4) =77a(5) =83a(6) =95a(7) =101a(8) =102a(9) =103a(10) =105a(11) =106a(12) =125a(13) =140a(14) =161a(15) =176a(16) =182a(17) =188a(18) =192a(19) =193a(20) =195a(21) =196a(22) =200a(23) =206a(24) =233a(25) =248a(26) =269a(27) =284a(28) =293a(29) =299