A289446 Related to number of mesh patterns of length 2 that avoid the pattern 231.

1, 1, 1, 2, 7, 25, 85, 285, 964, 3310, 11527

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 B1.

Crossrefs

Sequence in context: A048506 A335718 A169651 * A370022 A289598 A030017

Adjacent sequences: A289443 A289444 A289445 * A289447 A289448 A289449

Keyword

nonn,more

Author

N. J. A. Sloane, Jul 08 2017

Status

approved