Numbers that are the sum of 2 nonzero squares in exactly 1 way.

Terms

a(0) =2a(1) =5a(2) =8a(3) =10a(4) =13a(5) =17a(6) =18a(7) =20a(8) =25a(9) =26a(10) =29a(11) =32a(12) =34a(13) =37a(14) =40a(15) =41a(16) =45a(17) =52a(18) =53a(19) =58a(20) =61a(21) =68a(22) =72a(23) =73a(24) =74a(25) =80a(26) =82a(27) =89a(28) =90a(29) =97