Cubes that are concatenations of primes.

Terms

a(0) =27a(1) =343a(2) =729a(3) =1331a(4) =2197a(5) =3375a(6) =4913a(7) =5832a(8) =19683a(9) =21952a(10) =24389a(11) =29791a(12) =35937a(13) =54872a(14) =59319a(15) =91125a(16) =103823a(17) =110592a(18) =117649a(19) =148877a(20) =166375a(21) =195112a(22) =205379a(23) =226981a(24) =250047a(25) =314432a(26) =357911a(27) =389017a(28) =421875a(29) =571787