Palindromes such that successive difference of terms is also a palindrome.

Terms

a(0) =1a(1) =2a(2) =3a(3) =4a(4) =5a(5) =6a(6) =7a(7) =8a(8) =9a(9) =11a(10) =22a(11) =33a(12) =44a(13) =55a(14) =66a(15) =77a(16) =88a(17) =99a(18) =101a(19) =202a(20) =303a(21) =404a(22) =505a(23) =606a(24) =707a(25) =808a(26) =909a(27) =1111a(28) =2112a(29) =3113