Complement of A003258.

Terms

a(0) =1a(1) =4a(2) =6a(3) =9a(4) =11a(5) =14a(6) =17a(7) =19a(8) =22a(9) =25a(10) =27a(11) =30a(12) =32a(13) =35a(14) =38a(15) =40a(16) =43a(17) =45a(18) =48a(19) =51a(20) =53a(21) =56a(22) =59a(23) =61a(24) =64a(25) =66a(26) =69a(27) =72a(28) =74a(29) =77