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Search: id:A060943
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| A060943 |
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n!^n * sum{k=1 to n}[1/k^n]. |
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+0
1
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| 1, 5, 251, 357904, 25795462624, 141727869124448256, 83296040059942781485105152, 7013444132843374500928464765799366656
(list; graph; listen)
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OFFSET
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1,2
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LINKS
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Harry J. Smith, Table of n, a(n) for n=1,...,30
Leroy Quet, Home Page (listed in lieu of email address)
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EXAMPLE
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a(3) = 6^3 *(1 + 1/2^3 + 1/3^3) = 251.
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PROGRAM
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(PARI) { default(realprecision, 100); for (n=1, 30, write("b060943.txt", n, " ", n!^n * sum(k=1, n, 1/k^n)); ) } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Jul 14 2009]
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CROSSREFS
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Sequence in context: A115739 A142202 A042219 this_sequence A002770 A069071 A055386
Adjacent sequences: A060940 A060941 A060942 this_sequence A060944 A060945 A060946
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KEYWORD
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easy,nonn
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AUTHOR
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Leroy Quet May 07 2001
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