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A079104 Number of permutations of length n containing the minimum number of monotone subsequences of length 4. 4
1, 2, 6, 22, 86, 306, 882, 1764, 1764, 8738, 6892, 1682, 14706, 4182, 1250, 6250, 3750, 1250 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Conjectured to equal A079105 (and so have period 3) from a(17) onwards.
LINKS
Joseph Myers, The minimum number of monotone subsequences, Electronic J. Combin. 9(2) (2002), #R4.
CROSSREFS
Sequence in context: A148497 A206736 A079105 * A116705 A116708 A116706
KEYWORD
nonn
AUTHOR
Joseph Myers, Dec 23 2002
STATUS
approved

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Last modified March 28 14:38 EDT 2024. Contains 371254 sequences. (Running on oeis4.)