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A066988
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Prod(i=2,n, phi(i)/bigomega(i)).
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1
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1, 2, 2, 8, 8, 48, 64, 192, 384, 3840, 5120, 61440, 184320, 737280, 1474560, 23592960, 47185920, 849346560, 2264924160, 13589544960, 67947724800, 1494849945600, 2989699891200, 29896998912000, 179381993472000
(list; graph; refs; listen; history; internal format)
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OFFSET
| 2,2
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LINKS
| Harry J. Smith, Table of n, a(n) for n=2,...,150
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PROG
| (PARI) { a=1; for (n=2, 150, a*=eulerphi(n)/bigomega(n); write("b066988.txt", n, " ", a) ) } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Apr 16 2010]
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CROSSREFS
| Sequence in context: A144060 A016119 A037223 * A100384 A000023 A010584
Adjacent sequences: A066985 A066986 A066987 * A066989 A066990 A066991
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KEYWORD
| nonn
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AUTHOR
| Benoit Cloitre (benoit7848c(AT)orange.fr), Jan 27 2002
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EXTENSIONS
| Definition corrected and OFFSET changed from 1,2 to 2,2 by Harry J. Smith (hjsmithh(AT)sbcglobal.net), Apr 16 2010
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