4294934527

Appears in sequences

• Perfect numbers divided by 2, minus 1.at n=5A133067
• a(n) = 4^(n+1)-2^n-1.at n=15A187560
• Decimal representation of the diagonal from the corner to the origin of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 515", based on the 5-celled von Neumann neighborhood.at n=31A288827