1645056domain: NAppears in sequencesTheta series of Borcherds' 27-dimensional unimodular lattice U_27.at n=5A002482Weight enumerator of [64,24,16] extended BCH code.at n=13A109487Weight enumerator of [64,24,16] extended BCH code.at n=19A109487Sum of all squarefree numbers with greatest prime factor prime(n).at n=7A339360