L-th order palindromes with L > 2.

Terms

a(0) =10917a(1) =11907a(2) =11997a(3) =12987a(4) =13977a(5) =14967a(6) =15957a(7) =16947a(8) =17937a(9) =18927a(10) =19917a(11) =20997a(12) =21834a(13) =21987a(14) =22977a(15) =23814a(16) =23967a(17) =23994a(18) =24957a(19) =25497a(20) =25947a(21) =25974a(22) =26487a(23) =26937a(24) =27477a(25) =27927a(26) =27954a(27) =28467a(28) =28917a(29) =29457