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Search: id:A005168
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| A005168 |
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n-th derivative of x^x at 1, divided by n.
(Formerly M0380)
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+0
2
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| 1, 1, 1, 2, 2, 9, -6, 118, -568, 4716, -38160, 358126, -3662088, 41073096, -500013528, 6573808200, -92840971200, 1402148010528, -22554146644416, 385014881294496, -6952611764874240, 132427188835260480
(list; graph; listen)
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OFFSET
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1,4
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REFERENCES
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N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
R. K. Guy, The strong law of small numbers. Amer. Math. Monthly 95 (1988), no. 8, 697-712.
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LINKS
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T. D. Noe, Table of n, a(n) for n=1..100
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CROSSREFS
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Cf. A005727.
Sequence in context: A093589 A073315 A066320 this_sequence A011149 A021439 A104681
Adjacent sequences: A005165 A005166 A005167 this_sequence A005169 A005170 A005171
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KEYWORD
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sign,easy,nice
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com), R. K. Guy
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