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Search: id:A062794
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| A062794 |
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Moebius transform of n!. |
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+0
1
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| 1, 5, 22, 119, 713, 5039, 40296, 362874, 3628679, 39916799, 479000858, 6227020799, 87178286159, 1307674367875, 20922789847680, 355687428095999, 6402373705364406, 121645100408831999, 2432902008173011178
(list; graph; listen)
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OFFSET
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0,2
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COMMENT
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n=5, f[5]=120, divisors={1,5} f[5/d]={120,1}, mu[d]={1,-1}, the sum is 120-1=119=a(5)
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FORMULA
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a(n)=Sum{f[n/d]*mu[d]}, where d|n and f[x]=A000142(x).
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CROSSREFS
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A000142.
Sequence in context: A122951 A020003 A131460 this_sequence A036235 A159596 A020077
Adjacent sequences: A062791 A062792 A062793 this_sequence A062795 A062796 A062797
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KEYWORD
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nonn
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AUTHOR
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Labos E. (labos(AT)ana.sote.hu), Jul 19 2001
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