524305

Appears in sequences

• a(n) = 2^(n+1) + n - 1.at n=18A083706
• Duplicate of A083706.at n=18A122039
• a(n) = smallest multiple of n which is >= 2^n.at n=18A128093
• a(n) = Sum_{k=1..n} binomial(n,k) * gcd(k,n).at n=18A159068
• a(n) = n + (n-1)*2^(n-2).at n=16A188626
• Numbers n such that a digit of n to the power k plus the sum of the other digits of n equals n, where k is a positive integer.at n=44A257860
• a(n) = Sum_{d|n} phi(n/d) * (2^d - 1).at n=18A346558