Triangular numbers that can be written as sum of two positive cubes.

Terms

a(0) =28a(1) =91a(2) =351a(3) =2926a(4) =8001a(5) =46971a(6) =58653a(7) =93528a(8) =97461a(9) =141778a(10) =300700a(11) =365085a(12) =382375a(13) =398278a(14) =874503a(15) =1295245a(16) =1669878a(17) =3425653a(18) =4117015a(19) =7517503a(20) =7657741a(21) =7771653a(22) =9415630a(23) =9598771