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A147739 Number of permutations of 1..n with all sums of 2 through 5 adjacent terms squared respectively unique. 0
1, 2, 6, 24, 120, 720, 4824, 33912, 291784, 2859364, 29329354, 342019406, 4210898288, 56537197402 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
LINKS
Table of n, a(n) for n=1..14.
CROSSREFS
Sequence in context: A189271 A152366 A147740 * A147738 A147737 A177539
Adjacent sequences: A147736 A147737 A147738 * A147740 A147741 A147742
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 11 2008
STATUS
approved

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Last modified June 9 04:57 EDT 2024. Contains 373227 sequences. (Running on oeis4.)