Refactorable numbers that are perfect powers.

Terms

a(0) =1a(1) =8a(2) =9a(3) =36a(4) =128a(5) =225a(6) =441a(7) =625a(8) =1089a(9) =1521a(10) =2025a(11) =2601a(12) =3249a(13) =3600a(14) =4761a(15) =5625a(16) =6561a(17) =7569a(18) =7776a(19) =8100a(20) =8649a(21) =10000a(22) =12321a(23) =15129a(24) =16641a(25) =19881a(26) =21952a(27) =22500a(28) =25281a(29) =26244