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A289604
Related to number of mesh patterns of length 2 that avoid the pattern 321.
0
1, 1, 1, 2, 6, 25, 96, 357, 1289, 4587, 16258
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: A066317 A027104 A019048 * A028302 A064811 A074418
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Jul 08 2017
STATUS
approved