-19872

Appears in sequences

• Matrix inverse of triangle A055140.at n=28A055141
• Expansion of e.g.f.: exp(x)*sqrt(1-2x).at n=7A055142
• Expansion of (1-x)^(-1)/(1+x+x^2-2*x^3).at n=25A077907
• Expansion of a(q) * b(q)^2 in powers of q where a(), b() are cubic AGM theta functions.at n=47A181976