166210

Appears in sequences

• Expansion of (1-2*x^2-sqrt(1-4*x^2-4*x^3))/(2*x*sqrt(1-4*x^2-4*x^3)).at n=17A234269
• Expansion of e.g.f. -log(1-4*x) * exp(x)/4.at n=6A353548