Numbers whose base-12 representation has the same nonzero number of 4's and 11's.

Terms

a(0) =59a(1) =136a(2) =203a(3) =280a(4) =347a(5) =424a(6) =491a(7) =568a(8) =587a(9) =599a(10) =611a(11) =623a(12) =647a(13) =659a(14) =671a(15) =683a(16) =695a(17) =707a(18) =708a(19) =709a(20) =710a(21) =711a(22) =713a(23) =714a(24) =715a(25) =716a(26) =717a(27) =718a(28) =779a(29) =856