A289592 Related to number of mesh patterns of length 2 that avoid the pattern 321.

1, 1, 1, 2, 7, 22, 71, 235, 794, 2728, 9503

Offset

1,4

Links

Table of n, a(n) for n=1..11.

Murray Tannock, Equivalence classes of mesh patterns with a dominating pattern, MSc Thesis, Reykjavik Univ., May 2016. See Appendix B2.

Crossrefs

Sequence in context: A109999 A092690 A030186 * A292230 A162770 A116387

Adjacent sequences: A289589 A289590 A289591 * A289593 A289594 A289595

Keyword

nonn,more

Author

N. J. A. Sloane, Jul 08 2017

Status

approved