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A074598 Numerator of 4 * H(n,4,1), a generalized harmonic number. See A075136. 2
4, 24, 236, 3248, 57556, 416152, 2136452, 63349408, 710302388, 26725332056, 1112171931196, 375714836272, 2662087948804, 142662781936712, 2738366988282628, 168623511779891008, 170109214167178588 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

MATHEMATICA

Table[ Numerator[ Sum[1/i, {i, 1/4, n}]], {n, 1, 20}]

CROSSREFS

The denominators are in A051539.

Cf. A075136.

Sequence in context: A145237 A034256 A179539 * A052718 A061640 A126391

Adjacent sequences:  A074595 A074596 A074597 * A074599 A074600 A074601

KEYWORD

easy,frac,nonn

AUTHOR

Robert G. Wilson v (rgwv(AT)rgwv.com), Aug 27 2002

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Last modified February 14 18:05 EST 2012. Contains 205664 sequences.