Integers n such that each of n, 2n and 3n is a sum of 2 distinct positive cubes.

Terms

a(0) =2457a(1) =15561a(2) =19656a(3) =25389a(4) =39816a(5) =66339a(6) =124488a(7) =157248a(8) =203112a(9) =248976a(10) =307125a(11) =318528a(12) =420147a(13) =530712a(14) =685503a(15) =842751a(16) =995904a(17) =1075032a(18) =1257984a(19) =1624896a(20) =1791153a(21) =1945125a(22) =1991808a(23) =2457000a(24) =2548224a(25) =3173625a(26) =3270267