n is prime and digits of n^3 include digits of n as substring.

Terms

a(0) =5a(1) =251a(2) =499a(3) =751a(4) =1249a(5) =4999a(6) =8089a(7) =18229a(8) =31249a(9) =49999a(10) =281249a(11) =4218751a(12) =4999999a(13) =9590417a(14) =31622777a(15) =68171507a(16) =74218751a(17) =574218751a(18) =5740883989a(19) =8829261293