8388576

Appears in sequences

• a(n) = Sum_{k=0..n} (1-(-1)^( floor( (-n-k)/2^k ) )) * 2^(k-1).at n=22A105229
• a(n) = 32*(2^n - 1).at n=18A175165
• a(n) = (n^n - n^2)/2.at n=7A214698
• Numerators of the positive solution to 2^(n-1) = Sum_{d|n} a(d) * a(n/d).at n=24A299151
• Cogrowth sequence of the 16-element modular group M4(2) = <S,T | S^8, T^2, STS^3T>.at n=13A377883