1171733

Appears in sequences

• a(n) = numerator of harmonic number H(n) = Sum_{i=1..n} 1/i.at n=13A001008
• Numerator of the n-th harmonic number H(n) divided by (n+1); a(n) = A001008(n) / ((n+1)*A002805(n)).at n=13A002547
• a(n) = (1/1 + 1/2 + ... + 1/n)*lcm{1,2,...,n}.at n=13A025529
• Numerators of alternating sum transform (PSumSIGN) of Harmonic numbers H(n) = A001008/A002805.at n=27A035048
• Absolute value of numerator of non-Euler-constant term of Laurent expansion of Gamma function at s = -n.at n=14A060746
• Numerator of B(2n)*H(2n)/n*(-1)^(n+1) where B(k) is the k-th Bernoulli number and H(k) the k-th harmonic number.at n=6A083687
• Reduced numerators of the raw moments of the distribution of areas for triangles picked at random in a unit square.at n=12A093158
• Numerator of n*HarmonicNumber(n).at n=13A096617
• Numerator of the product of the n-th triangular number and the n-th harmonic number.at n=13A119786
• Numerator of absolute value of Sum_{k=1..n} (-1)^(k+1)*(2*k+1)*(Sum_{i=1..k} 1/i).at n=12A120284
• Numerator of absolute value of Sum_{k=1..n} (-1)^(k+1)*(2*k+1)*(Sum_{i=1..k} 1/i).at n=13A120284
• a(n) = numerator of sum{k=1 to n} 1/A127518(k).at n=13A127519
• 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=6A145609
• a(n) = squarefree part of A145609(n).at n=6A145738
• Denominator of the harmonic mean of the first n positive integers.at n=13A175441
• Denominator of H(n)/H(n-1), where H(n) is the n-th harmonic number = Sum_{k=1..n} 1/k.at n=13A193758
• Maximal possible numerator for a sum of the form 1 +/- 1/2 +/- 1/3 +/- ... +/- 1/n.at n=13A231606
• a(n) = numerator of Sum_{i=1..n} Sum_{j=1..n} (1/i + 1/j).at n=13A368810
• a(n) = A003418(n+1)*H(n), where H(n) = 1 + 1/2 + ... + 1/n is the n-th harmonic number.at n=13A379561
• Largest squarefree number dividing the numerator of harmonic number H(n).at n=13A382213