130150524

Appears in sequences

• a(n) = floor(2^(n-1)/n).at n=32A006788
• Nearest integer to 2^(n-1)/n.at n=32A054650
• a(n) = floor((1 + 4^n)/(1 + 2*n)).at n=15A191637
• Numbers a(n) with property a(n) + a(n+5) = 2^(n+5) - 1 = A000225(n+5).at n=27A224521
• Renyi-Ulam liar numbers: maximum k such that n questions "Is x in subset S of {1,...,k}?" are guaranteed to determine x when at most one answer can be a lie.at n=32A286496