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A213685 Arises in enumerating maximal antichains of minimum size. 0
1, 3, 6, 9, 12, 17, 22, 28, 33, 41, 48, 57, 64 (list; graph; refs; listen; history; text; internal format)
OFFSET

4,2

COMMENTS

Rightmost column of Table 1: Computational results for small values of n, of Kalinowski.

LINKS

Table of n, a(n) for n=4..16.

Thomas Kalinowski, Uwe Leck, Ian T. Roberts, Maximal antichains of minimum size, arXiv:1206.3007v1 [math.CO], Jun 14 2012.

CROSSREFS

Sequence in context: A310153 A127621 A049707 * A271449 A261956 A166633

Adjacent sequences:  A213682 A213683 A213684 * A213686 A213687 A213688

KEYWORD

hard,nonn,more

AUTHOR

Jonathan Vos Post, Jun 17 2012

STATUS

approved

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Last modified November 14 09:49 EST 2018. Contains 317182 sequences. (Running on oeis4.)