Uniquification of A026998.

Terms

a(0) =1a(1) =4a(2) =8a(3) =11a(4) =13a(5) =19a(6) =26a(7) =29a(8) =34a(9) =43a(10) =53a(11) =54a(12) =64a(13) =73a(14) =76a(15) =89a(16) =101a(17) =103a(18) =118a(19) =134a(20) =151a(21) =169a(22) =171a(23) =174a(24) =188a(25) =196a(26) =199a(27) =208a(28) =229a(29) =251