Numbers that are not the sum of 2 nonzero squares.

Terms

a(0) =1a(1) =3a(2) =4a(3) =6a(4) =7a(5) =9a(6) =11a(7) =12a(8) =14a(9) =15a(10) =16a(11) =19a(12) =21a(13) =22a(14) =23a(15) =24a(16) =27a(17) =28a(18) =30a(19) =31a(20) =33a(21) =35a(22) =36a(23) =38a(24) =39a(25) =42a(26) =43a(27) =44a(28) =46a(29) =47