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Search: id:A100648
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| A100648 |
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Denominator of Cotesian number C(n,3). |
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+0
3
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| 8, 45, 144, 105, 17280, 14175, 5600, 12474, 1935360, 1576575, 28740096000, 156370500, 688816128, 97692469875, 26900729856000, 158428270000, 32593902501888000, 3430178002251, 1798063128576000, 988320969417600, 809280523999877529600000, 461635966995328125
(list; graph; listen)
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OFFSET
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3,1
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REFERENCES
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Charles Jordan, Calculus of Finite Differences, Chelsea 1965, p. 513.
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EXAMPLE
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1/8, 16/45, 25/144, 34/105, 2989/17280, 5248/14175, 1209/5600, 5675/12474, 560593/1935360, 893128/1576575, 11148172711/28740096000, 109420087/156370500, ... = A100627/A100628
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CROSSREFS
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See A002176 for further references. A diagonal of A100640/A100641.
Sequence in context: A129553 A075863 A118838 this_sequence A128091 A119950 A055367
Adjacent sequences: A100645 A100646 A100647 this_sequence A100649 A100650 A100651
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KEYWORD
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nonn
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AUTHOR
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njas, Dec 05 2004
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