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A341299
a(n) = least integer m such that at least half of all permutations of length m contain subsequences order isomorphic to every permutation of length n.
0
1, 3, 7, 13, 20, 28, 36, 48
OFFSET
1,2
COMMENTS
Engen-Vatter say these values are "suggested", so presumably they have not yet been confirmed.
LINKS
Michael Engen and Vincent Vatter, Containing all permutations, Amer. Math. Monthly, 128 (2021), 4-24; arXiv preprint, arXiv:1810.08252 [math.CO], 2018-2020.
CROSSREFS
Sequence in context: A310266 A330407 A014283 * A294398 A330707 A033551
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Feb 13 2021
STATUS
approved