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A289598
Related to number of mesh patterns of length 2 that avoid the pattern 321.
0
1, 1, 1, 2, 7, 25, 86, 292, 995, 3425, 11926
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: A169651 A289446 A370022 * A030017 A131430 A007484
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Jul 08 2017
STATUS
approved