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A000558 Generalized Stirling numbers of second kind.
(Formerly M4213 N1758)
+0
3
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)
OFFSET

2,2

REFERENCES

R. Fray, A generating function associated with the generalized Stirling numbers, Fib. Quart. 5 (1967), 356-366.

LINKS

P. Blasiak, K. A. Penson and A. I. Solomon, The general boson normal ordering problem.

FORMULA

E.g.f.: 1/2*(exp(exp(x)-1)-1)^2. - Vladeta Jovovic (vladeta(AT)Eunet.yu), Sep 28 2003

CROSSREFS

Cf. A000559, A046817.

Sequence in context: A084326 A137637 A125190 this_sequence A047763 A026993 A121965

Adjacent sequences: A000555 A000556 A000557 this_sequence A000559 A000560 A000561

KEYWORD

nonn,easy

AUTHOR

njas

EXTENSIONS

More terms from David W. Wilson (davidwwilson(AT)comcast.net), Jan 13, 2000.

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.


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