Numbers ending with '1' that are the difference of two positive cubes.

Terms

a(0) =61a(1) =91a(2) =271a(3) =331a(4) =511a(5) =631a(6) =721a(7) =1141a(8) =1261a(9) =1701a(10) =1801a(11) =1951a(12) =1981a(13) =2401a(14) =2611a(15) =2791a(16) =3311a(17) =3571a(18) =3781a(19) =3971a(20) =4401a(21) =4501a(22) =4681a(23) =4921a(24) =5131a(25) =5831a(26) =5941a(27) =6211a(28) =6851a(29) =7271