261573

Appears in sequences

• Numerators in expansion of (1 - 2*x - 3*x^2)^(-1/4).at n=7A110114
• Decimal representation of the x-axis, from the left edge to the origin, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 347", based on the 5-celled von Neumann neighborhood.at n=17A281279