Numbers that can be represented as j^4 + k^4, with 0 < j < k, in exactly one way.

Terms

a(0) =17a(1) =82a(2) =97a(3) =257a(4) =272a(5) =337a(6) =626a(7) =641a(8) =706a(9) =881a(10) =1297a(11) =1312a(12) =1377a(13) =1552a(14) =1921a(15) =2402a(16) =2417a(17) =2482a(18) =2657a(19) =3026a(20) =3697a(21) =4097a(22) =4112a(23) =4177a(24) =4352a(25) =4721a(26) =5392a(27) =6497a(28) =6562a(29) =6577