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A147728
Number of permutations of 1..n with all sums of 2 through 6 adjacent terms respectively unique.
1
1, 2, 6, 16, 54, 232, 936, 3880, 17302, 81584, 409012, 2138674, 11754832, 66857094, 399774882, 2469567300, 15804526682
OFFSET
1,2
CROSSREFS
Sequence in context: A150028 A147730 A147729 * A147727 A147726 A147916
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 11 2008
STATUS
approved