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Search: id:A000558
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| A000558 |
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Generalized Stirling numbers of second kind.
(Formerly M4213 N1758)
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+0
3
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| 1, 6, 32, 175, 1012, 6230, 40819, 283944, 2090424, 16235417, 132609666, 1135846062, 10175352709, 95108406130, 925496853980, 9357279554071, 98118527430960, 1065259283215810, 11956366813630835, 138539436100687988, 1655071323662574756, 20361556640795422729
(list; graph; listen)
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OFFSET
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2,2
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REFERENCES
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R. Fray, A generating function associated with the generalized Stirling numbers, Fib. Quart. 5 (1967), 356-366.
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LINKS
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P. Blasiak, K. A. Penson and A. I. Solomon, The general boson normal ordering problem.
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FORMULA
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E.g.f.: 1/2*(exp(exp(x)-1)-1)^2. - Vladeta Jovovic (vladeta(AT)Eunet.yu), Sep 28 2003
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CROSSREFS
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Cf. A000559, A046817.
Sequence in context: A084326 A137637 A125190 this_sequence A047763 A026993 A121965
Adjacent sequences: A000555 A000556 A000557 this_sequence A000559 A000560 A000561
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KEYWORD
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nonn,easy
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AUTHOR
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njas
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EXTENSIONS
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More terms from David W. Wilson (davidwwilson(AT)comcast.net), Jan 13, 2000.
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