261973

Properties

Appears in sequences

• a(n) = 2^n - n*(n+1)/2.at n=18A014833
• Expansion of x(1-3x+5x^2-2x^3)/((1-x)^3*(1-2x)).at n=17A130104
• 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 35", based on the 5-celled von Neumann neighborhood.at n=17A278345
• Prime numbersat n=22985