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 A158475 #8 Mar 19 2014 09:57:20 %S A158475 1,14,294,343,72030,16807,705894,823543,172944030,40353607, %T A158475 18643366434,1977326743,5398102008390,96889010407,4069338437094, %U A158475 4747561509943,16948794590496510,232630513987207,185639150161791186,11398895185373143 %N A158475 Denominator of Bernoulli(n, 1/7). %H A158475 Vincenzo Librandi, <a href="/A158475/b158475.txt">Table of n, a(n) for n = 0..250</a> %t A158475 Denominator[BernoulliB[Range[0,20],1/7]] (* _Harvey P. Dale_, Jan 03 2014 *) %Y A158475 For numerators see A158334. %K A158475 nonn,frac %O A158475 0,2 %A A158475 _N. J. A. Sloane_, Nov 08 2009