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Search: id:A120381
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| A120381 |
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Number of partitions of Bell(n). |
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+0
1
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| 1, 1, 2, 7, 176, 281589, 5134205287973, 158606118553696417431847045996
(list; graph; listen)
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OFFSET
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0,3
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LINKS
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Author?, Title
Author?, Title
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EXAMPLE
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a(3)=7 because the third Bell number is 5 and the number of partitions of 5 is 7.
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MAPLE
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with(combinat): a:=n->numbpart(bell(n)): seq(a(n), n=0..7);
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CROSSREFS
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Cf. A003107, A000110.
Sequence in context: A005345 A077746 A159034 this_sequence A042359 A015174 A125610
Adjacent sequences: A120378 A120379 A120380 this_sequence A120382 A120383 A120384
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KEYWORD
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nonn
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AUTHOR
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Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Jun 29 2006
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EXTENSIONS
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Edited by Emeric Deutsch (deutsch(AT)duke.poly.edu) and N. J. A. Sloane (njas(AT)research.att.com), Jul 23 2006
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