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Search: id:A147944
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A147944 Number of permutations of floor(i*5/3), i=0..n-1, with all sums of 2 through 5 adjacent terms respectively unique. +0
1
1, 2, 6, 24, 96, 376, 2062, 12092, 63082, 415428, 3005932, 20298160, 163268244, 1387772596, 10981291276, 104953969248 (list; graph; listen)
OFFSET

1,2

CROSSREFS

Sequence in context: A003450 A115220 A072854 this_sequence A147935 A147926 A147948

Adjacent sequences: A147941 A147942 A147943 this_sequence A147945 A147946 A147947

KEYWORD

nonn

AUTHOR

Ron Hardin (rhhardin(AT)att.net) Nov 17 2008

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Last modified December 5 08:23 EST 2009. Contains 170348 sequences.


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