1507327

Appears in sequences

• Björner-Welker sequence: 2^n*(n^2 + n + 2) - 1.at n=13A055580
• Decimal representation of the x-axis, from the origin to the right edge, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 453", based on the 5-celled von Neumann neighborhood.at n=31A282303
• a(n) = 23*2^n - 1.at n=16A291557