Bases of the n-th powers in A090900.

Terms

a(0) =2a(1) =3a(2) =3a(3) =9a(4) =33a(5) =33a(6) =23a(7) =63a(8) =273a(9) =243a(10) =187a(11) =297a(12) =81a(13) =543a(14) =17a(15) =1117a(16) =237a(17) =9087a(18) =1581a(19) =693a(20) =1149a(21) =3807a(22) =3953a(23) =3499a(24) =7979a(25) =489a(26) =2751a(27) =1597a(28) =2109a(29) =8073