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A189509
Column 3 of triangle in
A189507
.
1
1, 6, 65, 701, 9324, 138016, 2325740, 43448940, 897020784, 20241273264
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OFFSET
2,2
LINKS
Table of n, a(n) for n=2..11.
Simona Grusea and Anthony Labarre,
The distribution of cycles in breakpoint graphs of signed permutations
, arXiv:1104.3353v1
CROSSREFS
Cf.
A189507
.
Sequence in context:
A350946
A297516
A099343
*
A360977
A243698
A217899
Adjacent sequences:
A189506
A189507
A189508
*
A189510
A189511
A189512
KEYWORD
nonn
,
more
AUTHOR
N. J. A. Sloane
, Apr 23 2011
EXTENSIONS
Added missing term for n=9,
Anthony Labarre
, Feb 14 2013
STATUS
approved
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Last modified April 25 09:38 EDT 2024. Contains 371967 sequences. (Running on oeis4.)