Cubes whose digits occur exactly twice.

Terms

a(0) =1331a(1) =238328a(2) =27818127a(3) =2815166528a(4) =4861163384a(5) =8972978552a(6) =107510668875a(7) =157376536199a(8) =236143627741a(9) =246963938824a(10) =267463420307a(11) =748118742552a(12) =834034807997a(13) =915215787829