42889

Appears in sequences

• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 65", based on the 5-celled von Neumann neighborhood.at n=40A270085
• Number of steps needed to solve the Towers of Hanoi exchanging disks puzzle with 3 pegs and n disks.at n=17A341579