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A289593
Related to number of mesh patterns of length 2 that avoid the pattern 321.
0
1, 1, 1, 3, 8, 25, 80, 264, 890, 3053, 10622
OFFSET
1,4
LINKS
Murray Tannock, Equivalence classes of mesh patterns with a dominating pattern, MSc Thesis, Reykjavik Univ., May 2016. See Appendix B2.
CROSSREFS
Sequence in context: A060404 A192905 A192207 * A101490 A148793 A180718
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Jul 08 2017
STATUS
approved