4684680

Appears in sequences

• a(n) = n*lcm{1,2,...,n}.at n=12A081528
• Numerator of the harmonic mean of the first n positive integers.at n=12A102928
• T(n, k) = Sum_{j=0..k} (-1)^j*binomial(2*k, j)*(k - j)^(2*n), triangle read by rows, n >= 0 and 0 <= k <= n.at n=31A304330
• Noncubefree numbers k such that A073185(k) > 2*k.at n=17A357700