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Search: id:A081167
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A081167 Number of cycles in range [A014137(2n)..A014138(2n)] of permutation A057505/A057506. +0
2
1, 2, 10, 46, 236, 1288, 6984, 38528, 216648 (list; graph; listen)
OFFSET

0,2

CROSSREFS

a(n) = A057507(2n+1). Cf. A081151.

Adjacent sequences: A081164 A081165 A081166 this_sequence A081168 A081169 A081170

Sequence in context: A137635 A029706 A009640 this_sequence A034429 A058149 A009314

KEYWORD

nonn

AUTHOR

Wouter Meeussen (wouter.meeussen(AT)pandora.be) & Antti Karttunen (Firstname.Surname(AT)iki.fi) Mar 10 2003

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Last modified October 13 20:18 EDT 2008. Contains 145016 sequences.


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