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(s(n)+1)/10, where s(n)=n-th base 10 palindrome that starts with 9.
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%I #5 Jul 12 2012 00:39:47

%S 1,10,91,92,93,94,95,96,97,98,99,100,901,912,923,934,945,956,967,978,

%T 989,1000,9001,9011,9021,9031,9041,9051,9061,9071,9081,9091,9102,9112,

%U 9122,9132,9142,9152,9162,9172,9182,9192,9203

%N (s(n)+1)/10, where s(n)=n-th base 10 palindrome that starts with 9.

%K nonn,base

%O 1,2

%A _Clark Kimberling_