1145993

Appears in sequences

• a(n) = numerator of harmonic number H(n) = Sum_{i=1..n} 1/i.at n=12A001008
• Numerator of the n-th harmonic number H(n) divided by (n+1); a(n) = A001008(n) / ((n+1)*A002805(n)).at n=12A002547
• a(n) = (1/1 + 1/2 + ... + 1/n)*lcm{1,2,...,n}.at n=12A025529
• Numerators of alternating sum transform (PSumSIGN) of Harmonic numbers H(n) = A001008/A002805.at n=25A035048
• Absolute value of numerator of non-Euler-constant term of Laurent expansion of Gamma function at s = -n.at n=13A060746
• Reduced numerators of the raw moments of the distribution of areas for triangles picked at random in a unit square.at n=11A093158
• Numerator of n*HarmonicNumber(n).at n=12A096617
• Numerator of the product of the n-th triangular number and the n-th harmonic number.at n=12A119786
• 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=12A126261
• a(n) = numerator of sum{k=1 to n} 1/A127518(k).at n=12A127519
• Denominator of the harmonic mean of the first n positive integers.at n=12A175441
• Denominator of H(n)/H(n-1), where H(n) is the n-th harmonic number = Sum_{k=1..n} 1/k.at n=12A193758
• Maximal possible numerator for a sum of the form 1 +/- 1/2 +/- 1/3 +/- ... +/- 1/n.at n=12A231606
• First bisection of harmonic numbers (numerators).at n=6A232180
• a(n) = denominator of AM(n)-HM(n), where AM(n) and HM(n) are the arithmetic and harmonic means of the first n positive integers.at n=12A368373
• a(n) = numerator of Sum_{i=1..n} Sum_{j=1..n} (1/i + 1/j).at n=12A368810
• a(n) = A003418(n+1)*H(n), where H(n) = 1 + 1/2 + ... + 1/n is the n-th harmonic number.at n=12A379561
• Largest squarefree number dividing the numerator of harmonic number H(n).at n=12A382213