Numbers whose maximal base-3 run length is 3.

Terms

a(0) =13a(1) =26a(2) =27a(3) =39a(4) =41a(5) =53a(6) =54a(7) =67a(8) =78a(9) =79a(10) =82a(11) =83a(12) =94a(13) =107a(14) =108a(15) =117a(16) =118a(17) =119a(18) =123a(19) =124a(20) =125a(21) =134a(22) =135a(23) =148a(24) =159a(25) =160a(26) =163a(27) =164a(28) =175a(29) =188