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A147740
Number of permutations of 1..n with all sums of 2 through 6 adjacent terms squared respectively unique.
0
1, 2, 6, 24, 120, 720, 4824, 33912, 291784, 2859364, 29329354, 341215238, 4190036978, 55869046042
OFFSET
1,2
CROSSREFS
Sequence in context: A189842 A189271 A152366 * A147739 A147738 A147737
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 11 2008
STATUS
approved