Sum of two (possibly negative) coprime cubes in at least 2 ways, but not the sum of 2 noncoprime cubes.

A293648

Sum of two (possibly negative) coprime cubes in at least 2 ways, but not the sum of 2 noncoprime cubes.

Terms

    a(0) =91a(1) =217a(2) =721a(3) =1027a(4) =1729a(5) =3367a(6) =4706a(7) =4921a(8) =4977a(9) =7657a(10) =8587a(11) =8911a(12) =9919a(13) =10621a(14) =14911a(15) =15561a(16) =16263a(17) =20683a(18) =21014a(19) =23877a(20) =25669a(21) =27937a(22) =28063a(23) =31519a(24) =35929a(25) =39331a(26) =40033a(27) =49959a(28) =63693a(29) =68705

External references