110504

Appears in sequences

• Numbers k such that x = 2^k-2 satisfies phi(x)+2 = phi(x+2).at n=28A050475
• 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 121", based on the 5-celled von Neumann neighborhood.at n=32A278957