A289612 Related to number of mesh patterns of length 2 that avoid the pattern 321.

3, 10, 34, 116, 397, 1366, 4734

Offset

1,1

Comments

Displayed terms match C(n+2)-2^n, where C(n) is the Catalan number A000108. - David Callan, Aug 24 2019

Links

Table of n, a(n) for n=1..7.

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

Crossrefs

Sequence in context: A007052 A048580 A291292 * A059738 A094832 A217778

Adjacent sequences: A289609 A289610 A289611 * A289613 A289614 A289615

Keyword

nonn,more

Author

N. J. A. Sloane, Jul 09 2017

Status

approved