47764domain: NAppears in sequencesa(n) = (117*n^2 - 99*n + 2)/2.at n=29A050408Molien series for a certain 16-dimensional group of order 20160.at n=17A104993a(n) = Sum_{d|n} sigma_[d](n), where sigma_[k](n) is the sum of the k-th powers of the divisors of n.at n=5A348399