Base-7 palindromes that start with 2.

Terms

a(0) =2a(1) =16a(2) =100a(3) =107a(4) =114a(5) =121a(6) =128a(7) =135a(8) =142a(9) =688a(10) =744a(11) =800a(12) =856a(13) =912a(14) =968a(15) =1024a(16) =4804a(17) =4853a(18) =4902a(19) =4951a(20) =5000a(21) =5049a(22) =5098a(23) =5154a(24) =5203a(25) =5252a(26) =5301a(27) =5350a(28) =5399a(29) =5448