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Search: id:A010975
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| A010975 |
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Binomial coefficient C(n,22). |
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+0
2
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| 1, 23, 276, 2300, 14950, 80730, 376740, 1560780, 5852925, 20160075, 64512240, 193536720, 548354040, 1476337800, 3796297200, 9364199760, 22239974430, 51021117810, 113380261800, 244662670200, 513791607420
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OFFSET
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22,2
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COMMENT
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With a different offset, number of n-permutations (n>=22) of 2 objects: u,v, with repetition allowed, containing exactly (22) u's. [From Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Aug 04 2008]
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LINKS
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Milan Janjic, Two Enumerative Functions
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FORMULA
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Gf.: 1/(1-x)^23. [From Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Aug 04 2008]
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MAPLE
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(Maple) seq(binomial(n, 22), n=22..42); # [From Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Aug 04 2008]
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CROSSREFS
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Pascal's triangle A007318 diagonal [From Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Aug 04 2008]
Sequence in context: A002681 A142220 A142027 this_sequence A022588 A125435 A086943
Adjacent sequences: A010972 A010973 A010974 this_sequence A010976 A010977 A010978
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KEYWORD
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nonn
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com).
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