Numbers k such that k^4 can be written as a sum of four positive 4th powers with no common factor.

Terms

a(0) =353a(1) =651a(2) =2487a(3) =2501a(4) =2829a(5) =3723a(6) =3973a(7) =4267a(8) =4333a(9) =4449a(10) =4949a(11) =5281a(12) =5463a(13) =5491a(14) =5543a(15) =5729a(16) =6167a(17) =6609a(18) =6801a(19) =7101a(20) =7209a(21) =7339a(22) =7703a(23) =8373a(24) =8433a(25) =8493a(26) =8517a(27) =8577a(28) =8637a(29) =9137