-12032

Appears in sequences

• Expansion of (1-x)/(1+2*x+2*x^2+2*x^3).at n=21A078071
• Expansion of (1-2*x)/(1-2*x+2*x^3).at n=22A124395
• Expansion of (1-2*x)/(1-2*x+2*x^3).at n=24A124395
• Expansion of e.g.f. exp(x*sqrt(1+x^2)).at n=9A190863
• Expansion of q^(-1) * (phi(q^2) * phi(-q) / psi(-q^2)^2)^2 in powers of q where phi(), psi() are Ramanujan theta functions.at n=15A233458
• Product_{n>=1} (1 + x^(2*n))^(a(n)/(2*n)!) = cos(x).at n=3A354173