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A289594
Related to number of mesh patterns of length 2 that avoid the pattern 321.
0
1, 1, 1, 1, 4, 16, 63, 239, 880, 3184, 11431
OFFSET
1,5
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: A169760 A222699 A034542 * A333071 A071264 A077822
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Jul 08 2017
STATUS
approved