Powers of a prime lucky number (A031157) but excluding lucky numbers (A000959).

Terms

a(0) =27a(1) =81a(2) =243a(3) =343a(4) =1849a(5) =2197a(6) =2401a(7) =4489a(8) =5329a(9) =6241a(10) =6561a(11) =16129a(12) =16807a(13) =19683a(14) =22801a(15) =26569a(16) =28561a(17) =37249a(18) =44521a(19) =49729a(20) =58081a(21) =59049a(22) =79507a(23) =80089a(24) =94249a(25) =109561a(26) =117649a(27) =134689a(28) =177147a(29) =177241