%I #9 May 30 2018 18:19:18
%S 6,15,105,105,165,15015,1365,255,33915,21945,3795,31395,1365,435,
%T 1038345,608685,255,959595,959595,6765,2036265,103845,16215,1090635,
%U 255255,8745,105735,57855,25665,1675208535
%N Denominator of |Bernoulli(2n+2)| - |Bernoulli(2n)|.
%H <a href="/index/Be#Bernoulli">Index entries for sequences related to Bernoulli numbers.</a>
%t Denominator[#[[2]]-#[[1]]]&/@Partition[Abs[BernoulliB[2*Range[0,30]]],2,1] (* _Harvey P. Dale_, May 30 2018 *)
%K nonn,frac
%O 0,1
%A _N. J. A. Sloane_.