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A147732
Number of permutations of 0..n-1 with all sums of 2 through 3 adjacent terms squared respectively unique.
0
1, 2, 6, 24, 120, 624, 4176, 32620, 284384, 2803702, 29664334, 339061272, 4391825384, 58843870478, 866121264934
OFFSET
1,2
CROSSREFS
Sequence in context: A147735 A147734 A147733 * A147731 A152337 A152338
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 11 2008
STATUS
approved