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A289591
Related to number of mesh patterns of length 2 that avoid the pattern 321.
0
1, 1, 1, 2, 6, 19, 61, 202, 683, 2349, 8191
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: A035929 A071646 A114627 * A148464 A148465 A148466
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Jul 08 2017
STATUS
approved