Concatenation of the 5 prime factors of composite a(n) is a palindrome.

Terms

a(0) =32a(1) =243a(2) =3125a(3) =16807a(4) =19875a(5) =38955a(6) =51909a(7) =75117a(8) =85683a(9) =94605a(10) =96195a(11) =158389a(12) =161051a(13) =182427a(14) =185493a(15) =205905a(16) =261443a(17) =261555a(18) =320385a(19) =323253a(20) =397047a(21) =439593a(22) =451209a(23) =504357a(24) =507969a(25) =584647a(26) =613977a(27) =617799a(28) =718977a(29) =719955