1048558

Appears in sequences

• a(n) = 2^(n+1) - n + 1.at n=19A132753
• 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 461", based on the 5-celled von Neumann neighborhood.at n=19A282369
• a(n) = Sum_{k = ceiling(n/2)..n-1} A354169(k).at n=28A354757
• a(n) = k where wt(k) = n and k + wt(k) = a power of two, where wt(n) = A000120(n) = binary weight of n.at n=17A374348