4026531839

Appears in sequences

• Total number of parts in all compositions of n into relatively prime parts.at n=28A085411
• a(n) = 15*2^n - 1.at n=28A196305
• 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 950", based on the 5-celled von Neumann neighborhood.at n=31A284481