Positive numbers that are not the sum of three nonzero squares.

Terms

a(0) =1a(1) =2a(2) =4a(3) =5a(4) =7a(5) =8a(6) =10a(7) =13a(8) =15a(9) =16a(10) =20a(11) =23a(12) =25a(13) =28a(14) =31a(15) =32a(16) =37a(17) =39a(18) =40a(19) =47a(20) =52a(21) =55a(22) =58a(23) =60a(24) =63a(25) =64a(26) =71a(27) =79a(28) =80a(29) =85