Numbers that are the sum of two (possibly negative) cubes in at least 2 ways.

Terms

a(0) =91a(1) =152a(2) =189a(3) =217a(4) =513a(5) =721a(6) =728a(7) =999a(8) =1027a(9) =1216a(10) =1512a(11) =1729a(12) =1736a(13) =2457a(14) =3087a(15) =3367a(16) =4104a(17) =4706a(18) =4921a(19) =4977a(20) =5103a(21) =5256a(22) =5768a(23) =5824a(24) =5859a(25) =6832a(26) =7657a(27) =7992a(28) =8216a(29) =8587