Numbers whose base-11 representation has the same nonzero number of 1's and 3's.

Terms

a(0) =14a(1) =34a(2) =124a(3) =146a(4) =154a(5) =156a(6) =158a(7) =159a(8) =160a(9) =161a(10) =162a(11) =163a(12) =164a(13) =168a(14) =179a(15) =190a(16) =201a(17) =212a(18) =223a(19) =234a(20) =256a(21) =276a(22) =364a(23) =374a(24) =376a(25) =378a(26) =379a(27) =380a(28) =381a(29) =382