Numbers of the form 7^x + y^7 with x, y >= 0.

Terms

a(0) =1a(1) =2a(2) =7a(3) =8a(4) =49a(5) =50a(6) =129a(7) =135a(8) =177a(9) =343a(10) =344a(11) =471a(12) =2188a(13) =2194a(14) =2236a(15) =2401a(16) =2402a(17) =2529a(18) =2530a(19) =4588a(20) =16385a(21) =16391a(22) =16433a(23) =16727a(24) =16807a(25) =16808a(26) =16935a(27) =18785a(28) =18994a(29) =33191