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A147727
Number of permutations of 1..n with all sums of 2 through 5 adjacent terms respectively unique.
0
1, 2, 6, 16, 54, 232, 936, 3880, 17302, 81584, 409012, 2169742, 11998726, 69653068, 426511054, 2718410098, 18114464012
(list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
LINKS
Table of n, a(n) for n=1..17.
CROSSREFS
Sequence in context: A147730 A147729 A147728 * A147726 A147916 A147907
Adjacent sequences: A147724 A147725 A147726 * A147728 A147729 A147730
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 11 2008
STATUS
approved

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Last modified October 21 00:05 EDT 2024. Contains 376963 sequences.
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