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%I #26 Dec 07 2018 12:14:46
%S 1,6,126,63,2646,7938,611226,1047816,6501222,47675628,250297047,
%T 546102648,89356045779,5891607414,9403005432744,18806010865488,
%U 58341374616798,56625451833951,133711566930569628,21112352673247836,221679703069102278
%N Denominators of hypergeometric Cauchy numbers c_(5,n).
%H Vincenzo Librandi, <a href="/A224089/b224089.txt">Table of n, a(n) for n = 0..300</a>
%H Takao Komatsu, <a href="https://doi.org/10.1142/S1793042112501473">Hypergeometric Cauchy numbers</a>, Int. J. Number Theory 9 (2013), 545-560.
%t With[{nn = 30, hh = 5}, Denominator[CoefficientList[Series[1/Hypergeometric2F1[1, hh, hh + 1, -x], {x, 0, nn}], x] Range[0, nn]!]]
%Y Cf. A006233.
%K nonn,frac
%O 0,2
%A _Takao Komatsu_, Mar 30 2013