Numbers whose base-3 and base-9 expansions have the same digit sum.

Terms

a(0) =0a(1) =1a(2) =2a(3) =9a(4) =10a(5) =11a(6) =18a(7) =19a(8) =20a(9) =81a(10) =82a(11) =83a(12) =90a(13) =91a(14) =92a(15) =99a(16) =100a(17) =101a(18) =162a(19) =163a(20) =164a(21) =171a(22) =172a(23) =173a(24) =180a(25) =181a(26) =182a(27) =729a(28) =730a(29) =731