104341domain: NAppears in sequencesNumber of fusenes with 24 hexagons, C_(2v) symmetry and containing n carbon atoms.at n=18A123606The smallest positive number such that sopfr(|a(n) - n|) = sopfr(a(n) + n) and Omega(|a(n) - n|) = Omega(a(n) + n), where sopfr(k) is the sum of the primes dividing k, with repetition.at n=28A370504