Numbers that are the sum of 2 nonzero squares in exactly 7 ways.

Terms

a(0) =105625a(1) =180625a(2) =203125a(3) =265625a(4) =406250a(5) =422500a(6) =453125a(7) =525625a(8) =531250a(9) =578125a(10) =640625a(11) =714025a(12) =722500a(13) =812500a(14) =828125a(15) =855625a(16) =906250a(17) =950625a(18) =953125a(19) =1050625a(20) =1062500a(21) =1140625a(22) =1156250a(23) =1281250a(24) =1390625a(25) =1515625a(26) =1578125a(27) =1625000a(28) =1625625