Smallest nontrivial extension of n-th palindrome which is a cube.

Terms

a(0) =125a(1) =27a(2) =343a(3) =4096a(4) =512a(5) =64a(6) =729a(7) =8000a(8) =9261a(9) =110592a(10) =226981a(11) =3375a(12) =4410944a(13) =551368a(14) =6644672a(15) =778688a(16) =884736a(17) =9938375a(18) =101194696a(19) =111284641a(20) =12167a(21) =13144256a(22) =14172488a(23) =151419437a(24) =16194277a(25) =17173512a(26) =1815848a(27) =191102976