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Search: id:A058607
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A058607 (1 + 1/2 + 1/3 + ... + 1/n) (2n-1)!/(n-1)!. +0
1
1, 9, 110, 1750, 34524, 814968, 22424688, 705173040, 24956062560, 981852505920, 42517741069440, 2009786716304640, 102980287835712000, 5685838994441088000, 336540101841974016000 (list; graph; listen)
OFFSET

1,2

LINKS

Leroy Quet, Home Page (listed in lieu of email address)

FORMULA

Sum{n=1 to infinity}[ a(n) x^n/n! ] = ln((1 +1/sqrt(1 -4 x)) /2) /sqrt(1 -4 x)

CROSSREFS

Sequence in context: A053912 A053894 A053904 this_sequence A082723 A143167 A156949

Adjacent sequences: A058604 A058605 A058606 this_sequence A058608 A058609 A058610

KEYWORD

easy,nonn

AUTHOR

Leroy Quet Dec 26 2000

page 1

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Last modified November 30 13:13 EST 2009. Contains 167758 sequences.


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