-9504

Appears in sequences

• Expansion of e.g.f. log(cosh(x) + arctanh(x)).at n=8A013192
• Expansion of 1 / ((1-x)*(1-x+x^2+x^3)).at n=30A077872
• Riordan array (1/(1+2xc(-2x)),xc(-2x)/(1+2xc(-2x))), c(x) the g.f. of A000108.at n=22A114193