Numbers whose base-11 representation has the same nonzero number of 1's and 6's.

Terms

a(0) =17a(1) =67a(2) =127a(3) =149a(4) =160a(5) =171a(6) =182a(7) =187a(8) =189a(9) =190a(10) =191a(11) =192a(12) =194a(13) =195a(14) =196a(15) =197a(16) =204a(17) =215a(18) =226a(19) =237a(20) =259a(21) =309a(22) =380a(23) =430a(24) =501a(25) =551a(26) =622a(27) =672a(28) =727a(29) =737