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A075144 Denominator of the generalized harmonic number H(n,5,4). 2
4, 36, 252, 4788, 9576, 277704, 4720968, 61372584, 675098424, 4725688968, 14177066904, 836446947336, 6691575578688, 153906238309824, 5694530817463488, 449867934579615552, 449867934579615552 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

COMMENTS

The numerators are in A075143. See A075135 for more details.

MATHEMATICA

a=5; b=4; maxN=20; s=0; Denominator[Table[s+=1/(a n + b), {n, 0, maxN-1}]]

CROSSREFS

Cf. A075135, A075143.

Sequence in context: A003488 A119579 A202797 * A183496 A043024 A144889

Adjacent sequences:  A075141 A075142 A075143 * A075145 A075146 A075147

KEYWORD

easy,frac,nonn

AUTHOR

T. D. Noe (noe(AT)sspectra.com), Sep 04 2002

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Last modified February 17 11:18 EST 2012. Contains 206011 sequences.