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 A265568 #4 Dec 10 2015 10:55:40 %S A265568 0,1,2,3,4,5,6,8,8,16,16,16,16,16,16,16,16,24,24,24,24,24,24,24,24,32, %T A265568 32,32,32,32,32,32,32,40,40,40,40,40,40,40,40,48,48,48,48,48,48,48,48, %U A265568 50,50,57,57,57,57,57,57,57,64,64,64,64,64,64,64,71,71,71,71,71,71,71,78,78,78,78,78,78,78,85,85,85 %N A265568 Smallest base-7 palindrome m >= n, written in base 10. %Y A265568 Sequences related to palindromic floor and ceiling: A175298, A206913, A206914, A261423, A262038, and the large block of consecutive sequences beginning at A265509. %K A265568 nonn,base %O A265568 0,3 %A A265568 _N. J. A. Sloane_, Dec 10 2015