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A289446
Related to number of mesh patterns of length 2 that avoid the pattern 231.
0
1, 1, 1, 2, 7, 25, 85, 285, 964, 3310, 11527
OFFSET
1,4
LINKS
Murray Tannock, Equivalence classes of mesh patterns with a dominating pattern, MSc Thesis, Reykjavik Univ., May 2016. See Appendix B1.
CROSSREFS
Sequence in context: A048506 A335718 A169651 * A370022 A289598 A030017
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Jul 08 2017
STATUS
approved