276360

Appears in sequences

• Expansion of e.g.f. cosh(log(1+x)*exp(x)).at n=10A009135
• a(n) = 2*binomial(9*n+6,n)/(3*n+2).at n=5A234509
• Number of essentially series oriented series-parallel networks with n labeled elements and without multiple unit elements in parallel.at n=6A339299