In base 4, smallest number that requires n Reverse and Add! steps to reach a palindrome.

Terms

a(0) =0a(1) =4a(2) =7a(3) =26a(4) =28a(5) =127a(6) =306a(7) =348a(8) =398a(9) =301a(10) =308a(11) =203a(12) =311a(13) =783a(14) =294a(15) =350a(16) =199a(17) =296a(18) =4268a(19) =16595a(20) =5326a(21) =4253a(22) =17399a(23) =8235a(24) =6189a(25) =4270a(26) =3107a(27) =1270a(28) =1532a(29) =511