Greatest integer equal to the sum of the n-th powers of its base-3 digits (written in base 10).

Terms

a(0) =1a(1) =2a(2) =8a(3) =17a(4) =1a(5) =65a(6) =131a(7) =512a(8) =259a(9) =2050a(10) =4100a(11) =1a(12) =16388a(13) =57346a(14) =65539a(15) =196610a(16) =458755a(17) =1a(18) =1572868a(19) =3670019a(20) =6291461a(21) =1a(22) =41943041a(23) =1a(24) =100663298a(25) =234881030a(26) =335544328a(27) =1207959557a(28) =2415919109a(29) =4831838216