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A281027 Partial products of A066570. 0
1, 2, 6, 48, 240, 34560, 241920, 92897280, 15049359360, 288947699712000, 3178424696832000, 3954468870810501120000, 51408095320536514560000, 232150733172291613910630400000, 338475768965201173081699123200000000, 3493719809197289292455451813740544000000000 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..16.

FORMULA

a(n) = Product_{i=1..n} A066570(i).

PROG

(MAGMA) [1] cat [&*[&*[h: h in [2..k] | GCD(h, k) ne 1]: k in [2..n]]: n in [2..100]]

CROSSREFS

Cf. A066570(n) = the product of cototatives of n.

Cf. A281025.

Sequence in context: A052657 A230714 A092143 * A271961 A239836 A052593

Adjacent sequences:  A281024 A281025 A281026 * A281028 A281029 A281030

KEYWORD

nonn

AUTHOR

Jaroslav Krizek, Jan 19 2017

STATUS

approved

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Last modified July 30 10:27 EDT 2021. Contains 346359 sequences. (Running on oeis4.)