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A244889
Second column of triangle in
A244888
.
1
1, -6, 36, -229, 1574, -11706, 93831
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OFFSET
2,2
COMMENTS
Remmel (2014) asks for a formula.
LINKS
Table of n, a(n) for n=2..8.
Jeffrey B. Remmel,
Consecutive Up-down Patterns in Up-down Permutations
, Electron. J. Combin., 21 (2014), #P3.2.
CROSSREFS
Cf.
A244888
,
A125273
.
Sequence in context:
A085687
A242136
A129327
*
A344269
A144819
A284647
Adjacent sequences:
A244886
A244887
A244888
*
A244890
A244891
A244892
KEYWORD
sign
,
more
AUTHOR
N. J. A. Sloane
, Jul 12 2014
STATUS
approved
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Last modified April 17 23:13 EDT 2024. Contains 371767 sequences. (Running on oeis4.)