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A179717
Number of permutations of 1..n with the sequence of sums of 3 adjacent elements having exactly 2 maxima
0
0, 30, 360, 2940, 24640, 211680, 1789200, 15222900, 131670000, 1153872720, 10247485248
OFFSET
4,2
CROSSREFS
Sequence in context: A091775 A222086 A008656 * A086864 A138441 A058837
KEYWORD
nonn
AUTHOR
R. H. Hardin Jul 25 2010
STATUS
approved