4194327

Appears in sequences

• a(n) = 2^n + n + 1.at n=22A005126
• a(n) = Sum_{d|n} d*2^(n/d - 1).at n=23A054599
• a(n) = Sum_{d|n, d odd} d*2^(n/d - 1), a(0)=0.at n=23A054601
• a(n) = Sum_{d|n} d*2^(n-d).at n=22A090879
• Numerator of (0 followed by A005126(n)= 2, 4, 7, ...)/2^n.at n=23A271573
• Positions of 0 in A288132; complement of A288134.at n=23A288133
• a(n) = Sum_{d|n} 2^(d-1) * binomial(d+n/d-1,d).at n=22A357041
• a(n) = (1/2) * Sum_{d|n} (2*d)^(n/d).at n=22A359733
• a(n) = Sum_{p|n, p prime} p^phi(n/p).at n=45A369687
• Expansion of Sum_{p prime} x^p/(1 - p*x^p).at n=45A373458