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A081156 Number of odd cycles in range [A014137(2n)..A014138(2n)] of permutation A057505/A057506, with fixed-points of both A057163 and A057164. 2
1, 1, 2, 3, 6, 12, 20, 59, 120 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

COMMENTS

See comment at A080973.

LINKS

Table of n, a(n) for n=0..8.

CROSSREFS

a(n) = A081155(2n+1) = A000108(n) - 2*A081163(n).

Sequence in context: A079708 A096571 A227940 * A326172 A082877 A047090

Adjacent sequences:  A081153 A081154 A081155 * A081157 A081158 A081159

KEYWORD

nonn,more

AUTHOR

Wouter Meeussen & Antti Karttunen Mar 10 2003

STATUS

approved

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Last modified May 16 08:07 EDT 2022. Contains 353695 sequences. (Running on oeis4.)