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 A235380 #8 Jan 22 2014 16:22:28 %S A235380 1,2,3,4,1,6,7,8,9,10,11,3,13,14,3,16,17,9,19,20,7,11,23,4,25,13,3,28, %T A235380 29,10,31,32,11,17,35,6,37,19,39,10,41,14,43,11,45,23,47,16,49,50,3, %U A235380 26,53,27,11,14,57,58,59,60,61,31,63,64,65,22,67,68,23 %N A235380 Denominator of arithmetic mean of the first n terms of A235354. %C A235380 Numerators are in A235379. %Y A235380 Cf. A235354, A235379. %K A235380 nonn,base,frac %O A235380 1,2 %A A235380 _Vladimir Shevelev_ and _Peter J. C. Moses_, Jan 08 2014