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Search: id:A055637
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| A055637 |
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(n-1)!/n or 0 if n does not divide (n-1)!.. |
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+0
1
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| 1, 0, 0, 0, 0, 20, 0, 630, 4480, 36288, 0, 3326400, 0, 444787200, 5811886080, 81729648000, 0, 19760412672000, 0, 6082255020441600, 115852476579840000, 2322315553259520000, 0, 1077167364120207360000, 24817936069329577574400
(list; graph; listen)
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OFFSET
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1,6
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REFERENCES
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Dave Wells, The Penguin Dictionary of Curious and Interesting Numbers (Revised Edition), Penguin Books, ISBN 0-14-02.6149-4, 1998, page 39.
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MATHEMATICA
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Do[If[Mod[(n-1)!/n]==0, Print[(n-1)!/n, Print[0]], {n, 1, 30}]
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CROSSREFS
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Sequence in context: A070708 A084029 A008426 this_sequence A086684 A060430 A040404
Adjacent sequences: A055634 A055635 A055636 this_sequence A055638 A055639 A055640
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KEYWORD
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nonn
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AUTHOR
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Robert G. Wilson v (rgwv(AT)rgwv.com), Jun 07 2000
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