OFFSET
1,4
LINKS
Murray Tannock, Equivalence classes of mesh patterns with a dominating pattern, MSc Thesis, Reykjavik Univ., May 2016. See Appendix B2.
FORMULA
Conjectured g.f.: (2-sqrt(2))*x/2+x/sqrt(2)*C(sqrt(2)*x/(x^2+(2*sqrt(2)-1)*x+1)), where C(x) is the g.f. for the Catalan numbers, A000108. - Michael D. Weiner, Jul 20 2022
CROSSREFS
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Jul 08 2017
STATUS
approved