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A043078 a(n)=(s(n)+2)/9, where s(n)=n-th base 9 palindrome that starts with 7. 1

%I

%S 1,8,64,65,66,67,68,69,70,71,72,568,578,588,598,608,618,628,638,648,

%T 5104,5113,5122,5131,5140,5149,5158,5167,5176,5186,5195,5204,5213,

%U 5222,5231,5240,5249,5258,5268,5277,5286,5295,5304,5313

%N a(n)=(s(n)+2)/9, where s(n)=n-th base 9 palindrome that starts with 7.

%K nonn,base

%O 1,2

%A _Clark Kimberling_

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Last modified June 27 13:59 EDT 2022. Contains 354896 sequences. (Running on oeis4.)