Numbers of the form a^7 + b^8, with integers a, b > 0.

Terms

a(0) =2a(1) =129a(2) =257a(3) =384a(4) =2188a(5) =2443a(6) =6562a(7) =6689a(8) =8748a(9) =16385a(10) =16640a(11) =22945a(12) =65537a(13) =65664a(14) =67723a(15) =78126a(16) =78381a(17) =81920a(18) =84686a(19) =143661a(20) =279937a(21) =280192a(22) =286497a(23) =345472a(24) =390626a(25) =390753a(26) =392812a(27) =407009a(28) =468750a(29) =670561