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%I #6 Jul 22 2018 08:45:57
%S 6,12,126,72,22,252,126,144,7182,2772,4554,1512,378,84,14322,2464,42,
%T 14364,342,792,1251558,191268,136206,21168,594,1188,33858,1368,1062,
%U 257796,128898,6336,6407478,17388,295218,948024,79002,158004,89586
%N Denominators of e.g.f.: tan(arccosh(x)) = cot(arcsinh(x)).
%e tan(arccosh(x)) = 1/x - 1/6*x - 1/12*x^3/3! + 125/126*x^5/5! - ...
%Y Numerators are in A102061.
%K nonn,frac
%O 1,1
%A _Ralf Stephan_, Dec 28 2004