Numbers that are primitively but not imprimitively represented by (x^2+xy+2y^2, x>=0, y>=0).

Terms

a(0) =1a(1) =2a(2) =11a(3) =14a(4) =22a(5) =23a(6) =28a(7) =37a(8) =43a(9) =46a(10) =53a(11) =58a(12) =71a(13) =74a(14) =77a(15) =79a(16) =86a(17) =106a(18) =107a(19) =109a(20) =116a(21) =127a(22) =134a(23) =137a(24) =142a(25) =149a(26) =151a(27) =154a(28) =158a(29) =161