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A232222 - OEIS
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A232222
Connected matchings with n crossings, in a disk.
1
1, 3, 13, 65, 354, 2035, 12151, 74618, 468233, 2989093
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OFFSET
1,2
LINKS
Table of n, a(n) for n=1..10.
V. Pilaud, J. Rué,
Analytic combinatorics of chord and hyperchord diagrams with k crossings
, arXiv preprint arXiv:1307.6440, 2013
CROSSREFS
Cf.
A232223
,
A000699
.
Sequence in context:
A364473
A186577
A141342
*
A241598
A155867
A009102
Adjacent sequences:
A232219
A232220
A232221
*
A232223
A232224
A232225
KEYWORD
nonn
,
more
AUTHOR
N. J. A. Sloane
, Nov 22 2013
STATUS
approved
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Last modified August 17 20:45 EDT 2024. Contains 375227 sequences. (Running on oeis4.)