477218599

Appears in sequences

• a(n) = 3*a(n-2) + 2*a(n-3) for n > 2, a(0)=1, a(1)=0, a(2)=3.at n=30A053088
• a(n) = (4^(n+1) + 6n + 5)/9.at n=15A073724
• Expansion of (1 - x)^(-1)/(1 + x - 2*x^2).at n=30A077898
• a(0)=1, a(n)=2^n+n-2*a(n-1).at n=31A082383
• Reduced numerators of the central moments of the distribution of random line segments picked on a unit line segment.at n=28A103307
• a(n) = a(n-1) + 3*a(n-2) - a(n-3) - 2*a(n-4), n > 3.at n=30A133993