Numbers of the form x^2+2y^2 with x >= y >= 0.

Terms

a(0) =0a(1) =1a(2) =3a(3) =4a(4) =6a(5) =9a(6) =11a(7) =12a(8) =16a(9) =17a(10) =18a(11) =24a(12) =25a(13) =27a(14) =33a(15) =34a(16) =36a(17) =38a(18) =43a(19) =44a(20) =48a(21) =49a(22) =51a(23) =54a(24) =57a(25) =64a(26) =66a(27) =67a(28) =68a(29) =72