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A056916
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Product of the orders of the elements in a cyclic group with n elements.
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4
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1, 2, 9, 32, 625, 648, 117649, 131072, 4782969, 12500000, 25937424601, 214990848, 23298085122481, 1771684761728, 14416259765625, 562949953421312, 48661191875666868481, 11712917736940032, 104127350297911241532841, 5120000000000000000, 7788651757984142343081
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OFFSET
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1,2
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LINKS
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FORMULA
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MAPLE
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a:=n->mul(denom (k/n), k=1..n): seq(a(n), n=1..18); # Zerinvary Lajos, Apr 26 2008
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MATHEMATICA
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Table[Product[n/GCD[n, i], {i, 0, n-1}], {n, 30}] (* Harvey P. Dale, Oct 24 2011 *)
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CROSSREFS
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KEYWORD
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nonn,nice
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AUTHOR
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Sharon Sela (sharonsela(AT)hotmail.com), Feb 10 2002
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EXTENSIONS
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STATUS
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approved
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