Palindromic composite numbers starting with a digit 9.

Terms

a(0) =9a(1) =99a(2) =909a(3) =939a(4) =949a(5) =959a(6) =969a(7) =979a(8) =989a(9) =999a(10) =9009a(11) =9119a(12) =9229a(13) =9339a(14) =9449a(15) =9559a(16) =9669a(17) =9779a(18) =9889a(19) =9999a(20) =90009a(21) =90109a(22) =90209a(23) =90309a(24) =90409a(25) =90509a(26) =90609a(27) =90809a(28) =90909a(29) =91119