1073741854

Appears in sequences

• a(n) = 2^n + n.at n=30A006127
• Dirichlet convolution of b_n = 2^(n-1) with phi(n).at n=30A034738
• a(n) = the smallest positive multiple of n with exactly n digits when written in binary.at n=30A162213
• a(n) = 2^phi(n) + phi(n).at n=30A243307
• Number of (n+1) X (4+1) 0..1 arrays with nondecreasing x(i,j)-x(i,j-1) in the i direction and nonincreasing x(i,j)-x(i-1,j) in the j direction.at n=28A250738
• a(n) = A306898(n)/2.at n=30A306905
• Sum of the sizes of all subsets of [n] whose sum is divisible by n.at n=30A309122
• a(n) = Sum_{d|n} phi(n/d) * (-2)^(d-1).at n=30A382999