Numbers that are the sum of 3 distinct nonzero squares in exactly 7 ways.

Terms

a(0) =341a(1) =461a(2) =494a(3) =506a(4) =509a(5) =521a(6) =545a(7) =549a(8) =566a(9) =569a(10) =581a(11) =654a(12) =666a(13) =677a(14) =797a(15) =801a(16) =806a(17) =809a(18) =821a(19) =857a(20) =893a(21) =894a(22) =899a(23) =906a(24) =953a(25) =954a(26) =971a(27) =981a(28) =1014a(29) =1050