Numbers that are the sum of at most 6 nonzero 4th powers.

Terms

a(0) =0a(1) =1a(2) =2a(3) =3a(4) =4a(5) =5a(6) =6a(7) =16a(8) =17a(9) =18a(10) =19a(11) =20a(12) =21a(13) =32a(14) =33a(15) =34a(16) =35a(17) =36a(18) =48a(19) =49a(20) =50a(21) =51a(22) =64a(23) =65a(24) =66a(25) =80a(26) =81a(27) =82a(28) =83a(29) =84