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A081153 Number of odd cycles in range [A014137(n-1)..A014138(n-1)] of permutation A057505/A057506, with no fixed points of either A057163 or A057164. +0
4
0, 0, 0, 0, 0, 2, 0, 6, 0, 18, 0, 50, 0, 142, 0, 388, 0, 1114, 0 (list; graph; listen)
OFFSET

0,6

CROSSREFS

a(n) = A081148(n)-A081155(n). Bisection: A081154.

Sequence in context: A157195 A019781 A167294 this_sequence A126869 A094233 A094659

Adjacent sequences: A081150 A081151 A081152 this_sequence A081154 A081155 A081156

KEYWORD

nonn

AUTHOR

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

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Last modified November 30 13:13 EST 2009. Contains 167758 sequences.


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