594914320

Appears in sequences

• Denominator of Sum_{k=1..n} d(k)/k, where d() = A000005().at n=22A065080
• a(n) = lcm{1 <= k <= n, gcd(k, 3) = 1}.at n=23A128501
• a(n) = lcm{1 <= k <= n, gcd(k, 3) = 1}.at n=24A128501
• Denominators of partial sums of a certain series of inverse central binomial coefficients.at n=10A145567
• Denominator of the polynomial A_l(x) = sum_{d=1..l-1} x^(l-d)/d for index l=2n+1 evaluated at x=3.at n=11A145614
• Denominator of the polynomial A_l(x) = sum_{d=1..l-1} x^(l-d)/d for index l=2n+1 evaluated at x=9.at n=11A145626