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Base-8 palindromes that start with 2.
1

%I #15 Dec 17 2023 12:07:28

%S 2,18,130,138,146,154,162,170,178,186,1026,1098,1170,1242,1314,1386,

%T 1458,1530,8194,8258,8322,8386,8450,8514,8578,8642,8714,8778,8842,

%U 8906,8970,9034,9098,9162,9234,9298,9362,9426,9490

%N Base-8 palindromes that start with 2.

%F a(n) = 8*A043066(n) - 6.

%t Select[Range[10000],IntegerDigits[#,8]==Reverse[IntegerDigits[#,8]]&&IntegerDigits[#,8][[1]]==2&] (* _Harvey P. Dale_, Dec 17 2023 *)

%Y Cf. A007094, A043066.

%K nonn,base

%O 1,1

%A _Clark Kimberling_