898787

Properties

Appears in sequences

• a(n) = 2*a(n-1) - [(n+1)/3] for n>0 with a(0) = 1.at n=21A136169
• 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 718", based on the 5-celled von Neumann neighborhood.at n=19A283705
• Prime numbersat n=71200