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A289611
Related to number of mesh patterns of length 2 that avoid the pattern 321.
0
1, 1, 1, 3, 9, 32, 113, 393, 1361, 4728, 16533
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: A148982 A148983 A148984 * A194353 A148985 A148986
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Jul 09 2017
STATUS
approved