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A152502 1/12 of the number of permutations of 3 indistinguishable copies of 1..n with exactly 5 local maxima. 0
0, 0, 1, 7274, 6251162, 2764274116, 897380159188, 247392790837624 (list; graph; refs; listen; history; internal format)
OFFSET

1,4

CROSSREFS

Sequence in context: A031763 A093224 A084276 * A031799 A206080 A116248

Adjacent sequences:  A152499 A152500 A152501 * A152503 A152504 A152505

KEYWORD

nonn

AUTHOR

R. H. Hardin (rhhardin(AT)att.net), Dec 06 2008

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Last modified February 15 14:37 EST 2012. Contains 205822 sequences.