This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A265557 #4 Dec 10 2015 10:39:44 %S A265557 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 A265557 88,33,33,33,33,44,55,66,77,88,44,44,44,44,44,55,66,77,88,55,55,55,55, %U A265557 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 A265557 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 A265557 Sequences related to palindromic floor and ceiling: A175298, A206913, A206914, A261423, A262038, and the large block of consecutive sequences beginning at A265509. %K A265557 nonn,base %O A265557 0,3 %A A265557 _N. J. A. Sloane_, Dec 10 2015