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Search: id:A133132
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| A133132 |
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Number of surjections from an n-element set to a ten-element set. |
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+0
1
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| 3628800, 199584000, 6187104000, 142702560000, 2731586457600, 45950224320000, 703098107712000, 10009442963520000, 134672620008326400, 1732015476199008000, 21473732319740064000, 258323865658578720000
(list; graph; listen)
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OFFSET
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10,1
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FORMULA
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a(n)=sum(C(10,k)*k^n) with n>=10 and k=10,9,...,1.
a(n) = A049435(n) * 10! [From Max Alekseyev (maxale(AT)gmail.com), Nov 13 2009]
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CROSSREFS
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Cf. A000918, A000919, A000920, A001117, A001118, A135456.
Sequence in context: A011521 A061603 A153761 this_sequence A071552 A053501 A157728
Adjacent sequences: A133129 A133130 A133131 this_sequence A133133 A133134 A133135
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KEYWORD
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nonn,new
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AUTHOR
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Mohamed Bouhamida (bhmd95(AT)yahoo.fr), Dec 16 2007
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EXTENSIONS
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More terms from Max Alekseyev (maxale(AT)gmail.com), Nov 13 2009
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