Numbers whose square is a difference between 2 positive cubes in at least one way.

Terms

a(0) =13a(1) =28a(2) =49a(3) =104a(4) =147a(5) =181a(6) =189a(7) =224a(8) =351a(9) =361a(10) =388a(11) =392a(12) =507a(13) =549a(14) =588a(15) =676a(16) =756a(17) =832a(18) =1029a(19) =1176a(20) =1323a(21) =1369a(22) =1425a(23) =1448a(24) =1512a(25) =1625a(26) =1792a(27) =1862a(28) =1911a(29) =1922