11473347600
domain: N
Appears in sequences
- Denominator of the n-th alternating harmonic number, Sum_{k=1..n} (-1)^(k+1)/k.at n=27A058312
- Denominator of Sum_{k=1..n} 1/(n+k).at n=13A082688
- Denominator of Sum_{i=1..n} 1/(i*C(2*i,i)).at n=14A112100
- Denominator of the polynomial A_i(x) = Sum_{d=1..i-1} x^(i-d)/d for index i=2n+1 evaluated at x=7.at n=13A145622
- Define a sequence of rationals by f(0)=0, thereafter f(n)=f(n-1)-1/n if that is >= 0, otherwise f(n)=f(n-1)+1/n; a(n) = denominator of f(n).at n=27A231693
- Minimal possible denominator for a sum of the form 1 +/- 1/2 +/- 1/3 +/- ... +/- 1/n.at n=26A232090
- Minimal possible denominator for a sum of the form 1 +/- 1/2 +/- 1/3 +/- ... +/- 1/n.at n=27A232090
- Denominator of sum of fractions A182972(k) / A182973(k) such that A182972(k) + A182973(k) = n.at n=26A245678
- a(n) is the period of the periodic k-sequence q_k=lcm(k+1,k+2,...,k+n)/(n*binomial(k+n,n)).at n=27A319404
- Denominator of the product of n and the n-th harmonic alternating number, Sum_{k=1..n} (-1)^(k+1)/k.at n=28A334721
- a(n) is the denominator of the asymptotic density of numbers divisible by their last digit in base n.at n=26A341432
- a(n) = denominator of Sum_{i=1..n} 1/A171397(i).at n=25A375524