452406

Appears in sequences

• Expansion of (1+x)/(1-x-4*x^2).at n=14A026597
• a(n) = 4*a(n-2) - a(n-1), with a(0)=1, a(1)=-2.at n=14A122112
• Coordination sequence for (2,4,7) tiling of hyperbolic plane.at n=35A265062