Numbers that occur more than once in A193873, in order of appearance.

Terms

a(0) =1729a(1) =13981a(2) =88537a(3) =51319a(4) =137149a(5) =548497a(6) =285541a(7) =3372529a(8) =18326641a(9) =1152271a(10) =1809641a(11) =3828001a(12) =4814857a(13) =4797703a(14) =79230049a(15) =4413223a(16) =4209661a(17) =19703611a(18) =3882139a(19) =50357677a(20) =70611161a(21) =26536591a(22) =175493677a(23) =85409941a(24) =12932989a(25) =84350561a(26) =192754871a(27) =59756863