163120

Appears in sequences

• Number of Baxter permutations: A001181/2.at n=8A046996
• Coordination sequence for (3,3,7) tiling of hyperbolic plane.at n=24A265074
• Expansion of e.g.f. (1/x) * Series_Reversion( x*(1 - x*exp(4*x)) ).at n=5A382040