Numbers that are the sum of 4 nonzero 4th powers.

Terms

a(0) =4a(1) =19a(2) =34a(3) =49a(4) =64a(5) =84a(6) =99a(7) =114a(8) =129a(9) =164a(10) =179a(11) =194a(12) =244a(13) =259a(14) =274a(15) =289a(16) =304a(17) =324a(18) =339a(19) =354a(20) =369a(21) =419a(22) =434a(23) =499a(24) =514a(25) =529a(26) =544a(27) =594a(28) =609a(29) =628