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A147918
Number of permutations of floor(i*5/3), i=0..n-1, with all sums of two adjacent terms unique.
0
1, 2, 6, 24, 96, 376, 2434, 16728, 99960, 838244, 7723320, 62801352, 674514660, 7865976872, 80727212972, 1056425822904
OFFSET
1,2
CROSSREFS
Sequence in context: A147948 A147939 A147930 * A072855 A179341 A179345
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 17 2008
STATUS
approved