Numbers that are the sum of at most 3 positive 7th powers.

Terms

a(0) =0a(1) =1a(2) =2a(3) =3a(4) =128a(5) =129a(6) =130a(7) =256a(8) =257a(9) =384a(10) =2187a(11) =2188a(12) =2189a(13) =2315a(14) =2316a(15) =2443a(16) =4374a(17) =4375a(18) =4502a(19) =6561a(20) =16384a(21) =16385a(22) =16386a(23) =16512a(24) =16513a(25) =16640a(26) =18571a(27) =18572a(28) =18699a(29) =20758