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A224085
Denominators of hypergeometric Cauchy numbers c_(2,n).
1
1, 3, 9, 45, 135, 567, 2835, 1215, 3645, 66825, 280665, 995085, 710775, 45927, 98415, 58556925, 175670775, 589013775, 10798585875, 1705039875, 7161167475, 10695250125, 417114754875, 54406272375, 272031361875, 228506343975, 52732233225, 9345323554875
OFFSET
0,2
LINKS
Takao Komatsu, Hypergeometric Cauchy numbers, Int. J. Number Theory 9 (2013), 545-560.
MATHEMATICA
With[{nn = 30, hh = 2}, Denominator[CoefficientList[Series[1/Hypergeometric2F1[1, hh, hh + 1, -x], {x, 0, nn}], x] Range[0, nn]!]]
CROSSREFS
Cf. A006233.
Sequence in context: A222662 A209977 A001902 * A352797 A192891 A364296
KEYWORD
nonn,frac
AUTHOR
Takao Komatsu, Mar 30 2013
STATUS
approved