83711
domain: N
Appears in sequences
- a(n) = numerator of harmonic number H(n) = Sum_{i=1..n} 1/i.at n=10A001008
- Numerator of the n-th harmonic number H(n) divided by (n+1); a(n) = A001008(n) / ((n+1)*A002805(n)).at n=10A002547
- a(n) = (1/1 + 1/2 + ... + 1/n)*lcm{1,2,...,n}.at n=10A025529
- Numerators of alternating sum transform (PSumSIGN) of Harmonic numbers H(n) = A001008/A002805.at n=21A035048
- Consider the Diophantine equation x^3 + y^3 = z^3 + 1 (1 < x < y < z) or 'Fermat near misses'. Sequence gives values of z in monotonic increasing order.at n=33A050791
- Absolute value of numerator of non-Euler-constant term of Laurent expansion of Gamma function at s = -n.at n=11A060746
- Reduced numerators of the raw moments of the distribution of areas for triangles picked at random in a unit square.at n=9A093158
- Numbers which are numerators of at least one reduced rational sum{k=1 to m} 1/k^n, taken over all positive integers m and n.at n=35A094509
- Numerator of n*HarmonicNumber(n).at n=10A096617
- Numbers k such that the difference between k-th prime and next prime is 70.at n=25A116493
- Numerator of the product of the n-th triangular number and the n-th harmonic number.at n=10A119786
- Triangle of numerators in the square of the matrix A[i,j] = 1/i for j <= i, 0 otherwise.at n=55A119947
- a(n) is the numerator of the sum of the reciprocals of the positive integers k, k<=n, where every positive integer <= k and coprime to k is also coprime to n.at n=10A126261
- a(n) = numerator of sum{k=1 to n} 1/A127518(k).at n=10A127519
- Denominator of the harmonic mean of the first n positive integers.at n=10A175441
- The non-common part of the larger number of an amicable pair.at n=30A180327
- Denominator of H(n)/H(n-1), where H(n) is the n-th harmonic number = Sum_{k=1..n} 1/k.at n=10A193758
- Numerators of Akiyama-Tanigawa algorithm applied to harmonic numbers, written by antidiagonals.at n=55A230262
- Maximal possible numerator for a sum of the form 1 +/- 1/2 +/- 1/3 +/- ... +/- 1/n.at n=10A231606
- First bisection of harmonic numbers (numerators).at n=5A232180