Smallest palindrome greater than n in bases 2 and n.

Terms

a(0) =3a(1) =6643a(2) =5a(3) =31a(4) =7a(5) =85a(6) =9a(7) =127a(8) =33a(9) =255a(10) =65a(11) =313a(12) =15a(13) =693a(14) =17a(15) =341a(16) =325a(17) =381a(18) =21a(19) =1241a(20) =771a(21) =645a(22) =325a(23) =951a(24) =27a(25) =5461a(26) =1317a(27) =1161a(28) =31a(29) =1241