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Search: id:A089431
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A089431 Even-positioned terms of A089423. +0
2
1, 2, 12, 120, 840, 5040, 55440, 720720, 720720, 24504480, 465585120 (list; graph; listen)
OFFSET

0,2
CROSSREFS

Sequence in context: A009546 A009748 A095717 this_sequence A119701 A127112 A003580

Adjacent sequences: A089428 A089429 A089430 this_sequence A089432 A089433 A089434

KEYWORD

nonn

AUTHOR

Antti Karttunen (His_Firstname.His_Surname(AT)iki.fi), Nov 29 2003

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Last modified December 7 23:50 EST 2009. Contains 170430 sequences.

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