Numbers that are the sum of at most 4 positive 7th powers.

Terms

a(0) =0a(1) =1a(2) =2a(3) =3a(4) =4a(5) =128a(6) =129a(7) =130a(8) =131a(9) =256a(10) =257a(11) =258a(12) =384a(13) =385a(14) =512a(15) =2187a(16) =2188a(17) =2189a(18) =2190a(19) =2315a(20) =2316a(21) =2317a(22) =2443a(23) =2444a(24) =2571a(25) =4374a(26) =4375a(27) =4376a(28) =4502a(29) =4503