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A066988
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a(n) = Product_{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
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OFFSET
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2,2
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LINKS
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PROG
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(PARI) { a=1; for (n=2, 150, a*=eulerphi(n)/bigomega(n); write("b066988.txt", n, " ", a) ) } \\ Harry J. Smith, Apr 16 2010
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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EXTENSIONS
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Definition corrected and Offset changed from 1 to 2 by Harry J. Smith, Apr 16 2010
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STATUS
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approved
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