Write n in ternary, sort digits into increasing order.

Terms

a(0) =0a(1) =1a(2) =2a(3) =1a(4) =4a(5) =5a(6) =2a(7) =5a(8) =8a(9) =1a(10) =4a(11) =5a(12) =4a(13) =13a(14) =14a(15) =5a(16) =14a(17) =17a(18) =2a(19) =5a(20) =8a(21) =5a(22) =14a(23) =17a(24) =8a(25) =17a(26) =26a(27) =1a(28) =4a(29) =5