Numbers that can be represented as a^7 + b^7, with 0 < a < b, in exactly one way.

Terms

a(0) =129a(1) =2188a(2) =2315a(3) =16385a(4) =16512a(5) =18571a(6) =78126a(7) =78253a(8) =80312a(9) =94509a(10) =279937a(11) =280064a(12) =282123a(13) =296320a(14) =358061a(15) =823544a(16) =823671a(17) =825730a(18) =839927a(19) =901668a(20) =1103479a(21) =2097153a(22) =2097280a(23) =2099339a(24) =2113536a(25) =2175277a(26) =2377088a(27) =2920695