1715839

Appears in sequences

• a(n) = (H(n) - 1)*lcm{1,...,n}, where H(n) is the n-th harmonic number.at n=15A027457
• Numerator of 1/n + 2/(n-1) + 3/(n-2) + ... + (n-1)/2 + n.at n=14A027612
• Numerator - denominator in n-th harmonic number, 1 + 1/2 + 1/3 + ... + 1/n.at n=15A064169
• Numerator of sum of reciprocals of numbers less than n that do not divide n.at n=16A281085