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1, 2, 6, 12, 180, 360, 7560, 15120, 226800, 453600, 14968800, 29937600, 40864824000, 81729648000
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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0,2
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LINKS
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MATHEMATICA
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a[n_] := (For[primePi = 1; p = 2; m = 1, p <= n + 1, primePi++, p = Prime[primePi]; m = m*p^Quotient[n, p - 1]]; m/2^Floor[n/2]); Table[a[n], {n, 0, 13}] (* Jean-François Alcover, Oct 02 2012 *)
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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