A213685 Arises in enumerating maximal antichains of minimum size.

1, 3, 6, 9, 12, 17, 22, 28, 33, 41, 48, 57, 64

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: A127621 A049707 A378763 * A271449 A261956 A344683

Adjacent sequences: A213682 A213683 A213684 * A213686 A213687 A213688

Keyword

hard,nonn,more

Author

Jonathan Vos Post, Jun 17 2012

Status

approved