Numbers which are the sum of 3 nonzero 4th powers.

Terms

a(0) =3a(1) =18a(2) =33a(3) =48a(4) =83a(5) =98a(6) =113a(7) =163a(8) =178a(9) =243a(10) =258a(11) =273a(12) =288a(13) =338a(14) =353a(15) =418a(16) =513a(17) =528a(18) =593a(19) =627a(20) =642a(21) =657a(22) =707a(23) =722a(24) =768a(25) =787a(26) =882a(27) =897a(28) =962a(29) =1137