311882

Appears in sequences

• Expansion of (2*x+1)*(4*x^2+8*x+1) / ((x-1)*(3*x^2+3*x+1)*(2*x^3+2*x^2+4*x+1)).at n=10A110686
• Number of unlabeled rooted trees with n nodes where the outdegrees (branching factors) of adjacent nodes differ by at least one.at n=19A260353