48608domain: NAppears in sequencesa(n) = (9*n+1)*(9*n+8).at n=24A001534Binomial transform of Thue-Morse sequence A001285.at n=15A029879Product of the nonzero exponents in the prime factorization of n!.at n=32A135291Expansion of e.g.f. Product_{k>=1} (1 + x^prime(k) / prime(k)!).at n=16A334370