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Search: id:A153253
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A153253 a(n)=A000009(n!!). +0
1
1, 1, 1, 2, 6, 27, 2910, 671418, 5925456572864, 1819432729601465049152, 2527141116269870093700549820547891617386696704, 37871241077229684530428945247828504758290562881908101848856901884765190234112 (list; graph; listen)
OFFSET

1,4

MATHEMATICA

a[n_]:=PartitionsQ[n!! ]; lst={}; Do[AppendTo[lst, a[n]], {n, 0, 12}]; lst

CROSSREFS

Sequence in context: A003513 A113731 A113676 this_sequence A074925 A141136 A115156

Adjacent sequences: A153250 A153251 A153252 this_sequence A153254 A153255 A153256

KEYWORD

nonn

AUTHOR

Vladimir Orlovsky (4vladimir(AT)gmail.com), Dec 21 2008

EXTENSIONS

Edited by N. J. A. Sloane (njas(AT)research.att.com), Dec 30 2008

page 1

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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