1,4
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.
G.f.: (x^4+x^3-x^2)*C(x)/(x-1) - (x^4-x^2+x)/(x-1) where C(x) is the g.f. for the Catalan numbers (A000108) (conjectured). - Michael D. Weiner, Aug 08 2019
Sequence in context: A287007 A099215 A089407 * A344489 A238425 A071115
Adjacent sequences: A289585 A289586 A289587 * A289589 A289590 A289591
nonn,more
N. J. A. Sloane, Jul 08 2017
approved
