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A152352
Number of permutations of floor(i*4/3), i=0..n-1, with all sums of 5 adjacent terms unique.
0
1, 2, 6, 24, 120, 720, 4656, 32952, 262464, 2379072, 21819048, 230467552, 2657778688, 31820272200, 412752172838, 5776743687880
OFFSET
1,2
CROSSREFS
Sequence in context: A152357 A152365 A147742 * A152360 A152358 A152354
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 02 2008
STATUS
approved