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a(n) = smallest base-9 palindrome m >= n such that every base-9 digit of n is <= the corresponding digit of m; m is written in base 9.
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%I #4 Dec 10 2015 10:39:44

%S 0,1,2,3,4,5,6,7,8,11,11,22,33,44,55,66,77,88,22,22,22,33,44,55,66,77,

%T 88,33,33,33,33,44,55,66,77,88,44,44,44,44,44,55,66,77,88,55,55,55,55,

%U 55,55,66,77,88,66,66,66,66,66,66,66,77,88,77,77,77,77,77,77,77,77,88,88,88,88,88,88,88,88,88,88,101

%N a(n) = smallest base-9 palindrome m >= n such that every base-9 digit of n is <= the corresponding digit of m; m is written in base 9.

%Y Sequences related to palindromic floor and ceiling: A175298, A206913, A206914, A261423, A262038, and the large block of consecutive sequences beginning at A265509.

%K nonn,base

%O 0,3

%A _N. J. A. Sloane_, Dec 10 2015