Numbers n with property that n and 2n are sums of two distinct positive cubes.

Terms

a(0) =728a(1) =756a(2) =2457a(3) =5824a(4) =6048a(5) =9288a(6) =14364a(7) =15561a(8) =19656a(9) =19684a(10) =20412a(11) =25327a(12) =25389a(13) =39816a(14) =46592a(15) =48384a(16) =66339a(17) =70336a(18) =74304a(19) =76167a(20) =76895a(21) =82251a(22) =91000a(23) =94500a(24) =114912a(25) =119574a(26) =124488a(27) =150444a(28) =152208a(29) =157248