7794468

Appears in sequences

• A traffic light problem: expansion of 2/(1 - 3*x)^3.at n=10A006043
• a(n) = (n/4)*3^(n/2)*((1+sqrt(3))^2+(-1)^n*(1-sqrt(3))^2).at n=22A187273
• Denominators of mass formula for connected vacuum graphs on n nodes for a phi^4 field theory.at n=22A226259
• Expansion of (1+3*x)^2/(1-3*x)^2.at n=11A236967
• a(n) = 4*36^n*Gamma(n+3/2)/(sqrt(Pi)*(n+2)!).at n=5A260655