Palindromic in bases 10 and 36.

Terms

a(0) =0a(1) =1a(2) =2a(3) =3a(4) =4a(5) =5a(6) =6a(7) =7a(8) =8a(9) =9a(10) =11a(11) =22a(12) =33a(13) =111a(14) =222a(15) =333a(16) =444a(17) =555a(18) =666a(19) =777a(20) =888a(21) =999a(22) =1221a(23) =1441a(24) =2882a(25) =5115a(26) =12321a(27) =16861a(28) =19491a(29) =21112