A289449 Related to number of mesh patterns of length 2 that avoid the pattern 231.

1, 1, 1, 2, 7, 26, 93, 325, 1129, 3935, 13813

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: A027417 A134063 A087448 * A188860 A129273 A055988

Adjacent sequences: A289446 A289447 A289448 * A289450 A289451 A289452

Keyword

nonn,more

Author

N. J. A. Sloane, Jul 08 2017

Status

approved