Sums of 3 distinct powers of 6.

Terms

a(0) =43a(1) =223a(2) =253a(3) =258a(4) =1303a(5) =1333a(6) =1338a(7) =1513a(8) =1518a(9) =1548a(10) =7783a(11) =7813a(12) =7818a(13) =7993a(14) =7998a(15) =8028a(16) =9073a(17) =9078a(18) =9108a(19) =9288a(20) =46663a(21) =46693a(22) =46698a(23) =46873a(24) =46878a(25) =46908a(26) =47953a(27) =47958a(28) =47988a(29) =48168