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 A265564 #4 Dec 10 2015 10:54:51 %S A265564 0,1,2,3,4,6,6,12,12,12,12,12,12,18,18,18,18,18,18,24,24,24,24,24,24, %T A265564 26,26,31,31,31,31,31,36,36,36,36,36,41,41,41,41,41,46,46,46,46,46,52, %U A265564 52,52,52,52,52,57,57,57,57,57,62,62,62,62,62,67,67,67,67,67,72,72,72,72,72,78,78,78,78,78,78,83,83,83 %N A265564 Smallest base-5 palindrome m >= n, written in base 10. %Y A265564 Sequences related to palindromic floor and ceiling: A175298, A206913, A206914, A261423, A262038, and the large block of consecutive sequences beginning at A265509. %K A265564 nonn,base %O A265564 0,3 %A A265564 _N. J. A. Sloane_, Dec 10 2015