830139

Appears in sequences

• Numerator of the n-th harmonic number H(n) divided by (n+1); a(n) = A001008(n) / ((n+1)*A002805(n)).at n=21A002547
• a(n) is the numerator of the asymptotic density of numbers divisible by their last digit in base n.at n=21A341431
• Largest squarefree number dividing the numerator of harmonic number H(n).at n=21A382213
• a(n) = numerator( (-1)^(n-1)*H(2*n)/(2*n + 1) ), where H(n) is the n-th harmonic number.at n=11A392689