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A159144
Number of permutations of 1..n containing the relative rank sequence { 231645 } at any spacing.
0
1, 37, 892, 18108, 339637, 6151057, 110168393, 1979041113, 35974376270, 665655317842
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OFFSET
6,2
COMMENTS
Same series for 465132 312645 231564 546213 546132 465213 312564
LINKS
Table of n, a(n) for n=6..15.
Eric Weisstein's World of Mathematics,
Permutation Pattern
CROSSREFS
A056986
A158005
A158423
Sequence in context:
A159084
A159133
A159131
*
A159092
A159142
A159123
Adjacent sequences:
A159141
A159142
A159143
*
A159145
A159146
A159147
KEYWORD
nonn
AUTHOR
R. H. Hardin
Apr 05 2009
STATUS
approved
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Last modified July 10 00:23 EDT 2024. Contains 374191 sequences. (Running on oeis4.)