Base-7 palindromes that start with 6.

Terms

a(0) =6a(1) =48a(2) =300a(3) =307a(4) =314a(5) =321a(6) =328a(7) =335a(8) =342a(9) =2064a(10) =2120a(11) =2176a(12) =2232a(13) =2288a(14) =2344a(15) =2400a(16) =14412a(17) =14461a(18) =14510a(19) =14559a(20) =14608a(21) =14657a(22) =14706a(23) =14762a(24) =14811a(25) =14860a(26) =14909a(27) =14958a(28) =15007a(29) =15056