315404588903
domain: N
Appears in sequences
- a(n) = numerator of harmonic number H(n) = Sum_{i=1..n} 1/i.at n=27A001008
- a(n) = (1/1 + 1/2 + ... + 1/n)*lcm{1,2,...,n}.at n=27A025529
- Numerators of harmonic numbers when these numerators are divisible by squares of primes >= 5 in the case of Wolstenholme's Theorem.at n=7A076637
- Numerator of Sum_{1<=k<=n, gcd(k,n)=1} 1/k.at n=28A093600
- Numerator of absolute value of Sum_{k=1..n} (-1)^(k+1)*(2*k+1)*(Sum_{i=1..k} 1/i).at n=26A120284
- Numerator of harmonic number H(p-1) = Sum_{k=1..p-1} 1/k for prime p.at n=9A120285
- 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=13A145609
- Denominator of the harmonic mean of the first n positive integers.at n=27A175441
- Maximal possible numerator for a sum of the form 1 +/- 1/2 +/- 1/3 +/- ... +/- 1/n.at n=27A231606
- Numbers k that are the numerator of a harmonic number such that k is divisible by the square of a prime >= 5.at n=8A322434
- a(n) = numerator of Sum_{i=1..n} Sum_{j=1..n} (1/i + 1/j).at n=27A368810