Numbers that are the sum of 4 nonzero squares in exactly 7 ways.

Terms

a(0) =135a(1) =148a(2) =170a(3) =172a(4) =182a(5) =183a(6) =187a(7) =189a(8) =190a(9) =199a(10) =215a(11) =229a(12) =245a(13) =261a(14) =263a(15) =289a(16) =305a(17) =317a(18) =347a(19) =356a(20) =389a(21) =401a(22) =404a(23) =592a(24) =680a(25) =688a(26) =728a(27) =760a(28) =1424a(29) =1616