784465920domain: NAppears in sequencesa(n) = 2^(n-4)*C(n,4).at n=17A003472Coordination sequence for diamond structure D^+_18. (Edges defined by l_1 norm = 1.)at n=13A035885Prime shadows of colossally abundant numbers, A004490.at n=35A353561a(n) = 2^(n-6)*n*(n^3 - 6*n^2 + 19*n - 14).at n=19A384243