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A165641 A091137(n) / A001316(n) . 1
1, 1, 6, 6, 360, 360, 15120, 15120, 1814400, 1814400, 119750400, 119750400, 653837184000, 653837184000, 3923023104000, 3923023104000, 16005934264320000, 16005934264320000, 12772735542927360000, 12772735542927360000, 8430005458332057600000, 8430005458332057600000 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..21.

CROSSREFS

Cf. A165636, A036281, A002445.

Sequence in context: A123190 A244956 A239532 * A213149 A267727 A268144

Adjacent sequences:  A165638 A165639 A165640 * A165642 A165643 A165644

KEYWORD

nonn

AUTHOR

Paul Curtz, Sep 23 2009

EXTENSIONS

Edited and extended by R. J. Mathar, Sep 25 2009

STATUS

approved

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Last modified July 28 05:59 EDT 2021. Contains 346317 sequences. (Running on oeis4.)