Numbers that are not the sum of 2 or more distinct positive squares.

Terms

a(0) =1a(1) =2a(2) =3a(3) =4a(4) =6a(5) =7a(6) =8a(7) =9a(8) =11a(9) =12a(10) =15a(11) =16a(12) =18a(13) =19a(14) =22a(15) =23a(16) =24a(17) =27a(18) =28a(19) =31a(20) =32a(21) =33a(22) =36a(23) =43a(24) =44a(25) =47a(26) =48a(27) =60a(28) =64a(29) =67