|
|
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: A356104 A127621 A049707 * A271449 A261956 A344683
Adjacent sequences: A213682 A213683 A213684 * A213686 A213687 A213688
|
|
KEYWORD
|
hard,nonn,more
|
|
AUTHOR
|
Jonathan Vos Post, Jun 17 2012
|
|
STATUS
|
approved
|
|
|
|