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A295263
Number of total cyclic orders Z on {1, ..., n+2} such that (i, i+1, i+2) in Z for 1 <= i <= n, and (n+1,n+2,1) in Z.
0
1, 1, 3, 11, 38, 169, 899, 5047, 31914, 226205
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OFFSET
1,3
LINKS
Table of n, a(n) for n=1..10.
Sanjay Ramassamy,
Extensions of partial cyclic orders, Euler numbers and multidimensional boustrophedons
, arXiv:1706.03386 [math.CO], 2017.
CROSSREFS
Sequence in context:
A149060
A151468
A289989
*
A018961
A178624
A027528
Adjacent sequences:
A295260
A295261
A295262
*
A295264
A295265
A295266
KEYWORD
nonn
,
more
AUTHOR
Eric M. Schmidt
, Nov 19 2017
STATUS
approved
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Last modified July 12 12:19 EDT 2024. Contains 374247 sequences. (Running on oeis4.)