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Search: id:A052278
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A052278 (4n+3)!/4^n. +0
2
6, 1260, 2494800, 20432412000, 475176173472000, 25246110096567360000, 2658415393168543008000000, 501882242076289234480320000000, 157671325170687025904337331200000000, 77811744999685071405945898971187200000000, 57616484702466807973246700352205274112000000000 (list; graph; listen)
OFFSET

0,1

CROSSREFS

Sequence in context: A131675 A001324 A060706 this_sequence A067510 A013738 A076781

Adjacent sequences: A052275 A052276 A052277 this_sequence A052279 A052280 A052281

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Feb 05 2000

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Last modified December 20 16:54 EST 2009. Contains 171081 sequences.


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