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 A265562 #4 Dec 10 2015 10:54:29 %S A265562 0,1,2,3,5,5,10,10,10,10,10,15,15,15,15,15,17,17,21,21,21,21,25,25,25, %T A265562 25,29,29,29,29,34,34,34,34,34,38,38,38,38,42,42,42,42,46,46,46,46,51, %U A265562 51,51,51,51,55,55,55,55,59,59,59,59,63,63,63,63,65,65,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85 %N A265562 Smallest base-4 palindrome m >= n, written in base 10. %Y A265562 Sequences related to palindromic floor and ceiling: A175298, A206913, A206914, A261423, A262038, and the large block of consecutive sequences beginning at A265509. %K A265562 nonn,base %O A265562 0,3 %A A265562 _N. J. A. Sloane_, Dec 10 2015