Palindromic lucky numbers.

Terms

a(0) =1a(1) =3a(2) =7a(3) =9a(4) =33a(5) =99a(6) =111a(7) =141a(8) =151a(9) =171a(10) =303a(11) =393a(12) =535a(13) =717a(14) =727a(15) =777a(16) =787a(17) =979a(18) =1441a(19) =1771a(20) =3003a(21) =3223a(22) =3663a(23) =5335a(24) =7447a(25) =9009a(26) =9339a(27) =9999a(28) =10501a(29) =11011