A289654 Related to number of mesh patterns of length 2 that avoid the pattern 321.

1, 1, 1, 3, 13, 40, 130, 427, 1428, 4860, 16794

Offset: 1

Author

N. J. A. Sloane, Jul 09 2017

Keywords

• nonn
• more

Links

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

Crossrefs

All of A000108, A001453, A246604, A273526, A120304, A289615, A289616, A289652, A289653, A289654 are very similar sequences.