710400

Appears in sequences

• Glaisher's function U(n).at n=32A002612
• Let sigma_m (n) be result of applying sum-of-divisors function m times to n; call n (m,k)-perfect if sigma_m (n) = k*n; sequence gives the (2,8)-perfect numbers.at n=10A019285
• Triangle T(n,k) of ways n couples can sit in a row with exactly k of them together.at n=17A193639
• Integer areas of the Lucas Central triangles of integer-sided triangles.at n=19A231739