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%I #10 Sep 23 2015 06:33:20
%S 1,21,661,1155,362999,126665,55647901,13848835,4339301999,1509581997,
%T 1039041290105,164057761175,4663855110914309,17776570969729,
%U 1109040303936187,1920567044301675,10170010828057736383,206902004244165461,1711891737187759652887,22227014932144214335
%N Numerator of Bernoulli(n,11).
%C First term < 0: a(172).
%H Vincenzo Librandi, <a href="/A158216/b158216.txt">Table of n, a(n) for n = 0..250</a>
%t Table[Numerator[BernoulliB[n, 11]], {n, 0, 50}] (* _Vincenzo Librandi_, Mar 16 2014 *)
%Y For denominators see A027642.
%K sign,frac
%O 0,2
%A _N. J. A. Sloane_, Nov 10 2009