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Search: id:A088979
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A088979 n!-((n-1)!!)^2. +0
1
1, 2, 15, 56, 495, 2736, 29295, 215424, 2735775, 25171200, 370945575, 4103654400, 68916822975, 891494553600, 16813959537375, 249145395609600, 5214921734397375, 87125481883238400, 2004231846526284375 (list; graph; listen)
OFFSET

2,2

CROSSREFS

Cf. A006882.

Sequence in context: A098520 A056078 A142861 this_sequence A034571 A126019 A071237

Adjacent sequences: A088976 A088977 A088978 this_sequence A088980 A088981 A088982

KEYWORD

nonn

AUTHOR

Vladeta Jovovic (vladeta(AT)eunet.rs), Oct 31 2003

EXTENSIONS

More terms from Ray Chandler (rayjchandler(AT)sbcglobal.net), Nov 06 2003

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Last modified December 11 12:57 EST 2009. Contains 170656 sequences.


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