47368

Appears in sequences

• Expansion of 1/(1 - x^2 - 2 x^3 + x^4).at n=35A122512
• Number of (w,x,y,z) with all terms in {1,...,n} and w > (geometric mean of x,y,z).at n=17A212144
• Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 549", based on the 5-celled von Neumann neighborhood.at n=7A272843
• Expansion of Sum_{k>0} (k * x * (1 + (2 * x)^k))^k.at n=5A360754
• Number of vertices formed when n equally spaced points are placed around a circle and all pairs of points are joined by an interior arc whose radius equals the circle's radius.at n=30A371254