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 A065963 #5 Apr 03 2014 11:35:04 %S A065963 2,135,13575,8451765,71749827664620 %N A065963 Smallest number which is digitally balanced in n bases, for 2 <= base b <= a(n). %C A065963 See A049364 for another version. %e A065963 For n=3, a (3) = 13575. 11010100000111 (base 2), 200121210 (base 3), 142503 (base 6). 13575 is the minimum number which is digitally balanced in three bases. %Y A065963 Cf. A031443, A049354-A049364. %K A065963 base,nonn %O A065963 1,1 %A A065963 _Naohiro Nomoto_, Dec 08 2001 %E A065963 71749827664620 from _Martin Fuller_, Oct 16 2006