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A281027
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Partial products of A066570.
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0
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1, 2, 6, 48, 240, 34560, 241920, 92897280, 15049359360, 288947699712000, 3178424696832000, 3954468870810501120000, 51408095320536514560000, 232150733172291613910630400000, 338475768965201173081699123200000000, 3493719809197289292455451813740544000000000
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refs;
listen;
history;
text;
internal format)
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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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a(n) = Product_{i=1..n} A066570(i).
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PROG
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(Magma) [1] cat [&*[&*[h: h in [2..k] | GCD(h, k) ne 1]: k in [2..n]]: n in [2..100]]
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CROSSREFS
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Cf. A066570(n) = the product of cototatives of n.
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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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