2436559

Appears in sequences

• a(n) = numerator of harmonic number H(n) = Sum_{i=1..n} 1/i.at n=15A001008
• a(n) = (1/1 + 1/2 + ... + 1/n)*lcm{1,2,...,n}.at n=15A025529
• Absolute value of numerator of non-Euler-constant term of Laurent expansion of Gamma function at s = -n.at n=16A060746
• Numerators of harmonic numbers when these numerators are divisible by squares of primes >= 5 in the case of Wolstenholme's Theorem.at n=4A076637
• Numerator of Sum_{1<=k<=n, gcd(k,n)=1} 1/k.at n=16A093600
• Numerator of n*HarmonicNumber(n).at n=15A096617
• Numerator of absolute value of Sum_{k=1..n} (-1)^(k+1)*(2*k+1)*(Sum_{i=1..k} 1/i).at n=14A120284
• Numerator of harmonic number H(p-1) = Sum_{k=1..p-1} 1/k for prime p.at n=6A120285
• a(n) = numerator of sum{k=1 to n} 1/A127518(k).at n=15A127519
• Numerator of the polynomial A_l(x) = sum_{d=1..l-1} x^(l-d)/d for index l=2n+1 evaluated at x=1.at n=7A145609
• Numerator of the Harary number for the cycle graph C_n.at n=32A160046
• Denominator of the harmonic mean of the first n positive integers.at n=15A175441
• Maximal possible numerator for a sum of the form 1 +/- 1/2 +/- 1/3 +/- ... +/- 1/n.at n=15A231606
• Numbers k that are the numerator of a harmonic number such that k is divisible by the square of a prime >= 5.at n=5A322434