Squares written backwards and sorted, duplicates removed.

Terms

a(0) =1a(1) =4a(2) =9a(3) =18a(4) =46a(5) =52a(6) =61a(7) =63a(8) =94a(9) =121a(10) =144a(11) =148a(12) =163a(13) =169a(14) =423a(15) =441a(16) =484a(17) =487a(18) =522a(19) =526a(20) =652a(21) =675a(22) =676a(23) =691a(24) =925a(25) =927a(26) =961a(27) =982a(28) =1042a(29) =1062