OFFSET
1,2
LINKS
Matteo Cervetti and Luca Ferrari, Pattern avoidance in the matching pattern poset, arXiv:2009.01024 [math.CO], 2020.
Matteo Cervetti and Luca Ferrari, Enumeration of Some Classes of Pattern Avoiding Matchings, with a Glimpse into the Matching Pattern Poset, Annals of Combinatorics (2022).
CROSSREFS
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Nov 30 2020
STATUS
approved