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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. 3
0, 0, 0, 0, 0, 2, 0, 6, 0, 18, 0, 50, 0, 142, 0, 388, 0, 1114, 0 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,6

LINKS

Table of n, a(n) for n=0..18.

CROSSREFS

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

Sequence in context: A327369 A296620 A263789 * A126869 A094233 A094659

Adjacent sequences:  A081150 A081151 A081152 * A081154 A081155 A081156

KEYWORD

nonn

AUTHOR

Wouter Meeussen and Antti Karttunen Mar 10 2003

STATUS

approved

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Last modified April 14 19:32 EDT 2021. Contains 342951 sequences. (Running on oeis4.)