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A043081 a(n)=(s(n)+8)/10, where s(n)=n-th base 10 palindrome that starts with 2. 0

%I #5 Jul 12 2012 00:39:47

%S 1,3,21,22,23,24,25,26,27,28,29,30,201,212,223,234,245,256,267,278,

%T 289,300,2001,2011,2021,2031,2041,2051,2061,2071,2081,2091,2102,2112,

%U 2122,2132,2142,2152,2162,2172,2182,2192,2203,2213

%N a(n)=(s(n)+8)/10, where s(n)=n-th base 10 palindrome that starts with 2.

%K nonn,base

%O 1,2

%A _Clark Kimberling_

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Last modified April 19 06:44 EDT 2024. Contains 371782 sequences. (Running on oeis4.)