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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
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OFFSET
0,6
LINKS
Table of n, a(n) for n=0..18.
FORMULA
a(n) =
A081148
(n)-
A081155
(n).
CROSSREFS
Bisection:
A081154
.
Cf.
A081148
,
A081155
.
Cf.
A014137
,
A014138
,
A057505
,
A057506
,
A057163
,
A057164
.
Sequence in context:
A327369
A296620
A263789
*
A369278
A126869
A094233
Adjacent sequences:
A081150
A081151
A081152
*
A081154
A081155
A081156
KEYWORD
nonn
,
more
AUTHOR
Wouter Meeussen
and
Antti Karttunen
Mar 10 2003
STATUS
approved
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Last modified August 30 04:06 EDT 2024. Contains 375524 sequences. (Running on oeis4.)