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Search: id:A062359
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| 1, 0, 1, 3, 20, 60, 630, 2688, 27913, 201600, 3326400, 17107200, 444787200, 3632428800, 54486432000, 674928706064, 19760412672000, 164163428352000, 6082255020441600, 57926238289920000, 1596591942865920000
(list; graph; listen)
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OFFSET
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1,4
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LINKS
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Harry J. Smith, Table of n, a(n) for n=1,...,100
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EXAMPLE
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a(7)= 630 because 7!/sigma(7)= 5040/8= 630.
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PROGRAM
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(PARI) for(n=1, 23, print(floor(n!/sigma(n))))
(PARI) { f=1; for (n=1, 100, f*=n; write("b062359.txt", n, " ", floor(f/sigma(n))) ) } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Aug 06 2009]
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CROSSREFS
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Sequence in context: A031106 A143582 A132404 this_sequence A099721 A024402 A067600
Adjacent sequences: A062356 A062357 A062358 this_sequence A062360 A062361 A062362
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KEYWORD
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easy,nonn
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AUTHOR
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Jason Earls (zevi_35711(AT)yahoo.com), Jul 06 2001
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