257536

Appears in sequences

• a(n) = 4^n - n*2^n.at n=9A186947
• Number of length-n 0..7 arrays with no repeated value differing from the previous repeated value by one.at n=5A269493
• Number of length-6 0..n arrays with no repeated value differing from the previous repeated value by one.at n=6A269497
• Decimal representation of the diagonal from the origin to the corner of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 427", based on the 5-celled von Neumann neighborhood.at n=18A288138
• Numbers k such that sigma(k) = psi(k) + phi(k) + omega(k)^3.at n=2A391749