278527

Appears in sequences

• a(n) = (n+3)*2^n - 1.at n=15A006589
• Numbers k such that k and k^2 use only the digits 2, 5, 7, 8 and 9.at n=12A137116
• a(n) = 17*2^n - 1.at n=14A198275
• 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 353", based on the 5-celled von Neumann neighborhood.at n=25A281288
• 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 173", based on the 5-celled von Neumann neighborhood.at n=27A286199