722655domain: NAppears in sequencesSort then Add, a(1) =9.at n=24A033896Sort then Add, a(1)=27.at n=22A033903a(3n) = a(3n-1)+a(3n-2), a(3n+1) = a(3n)*a(3n-1), a(3n+2) = a(3n+1)/a(3n).at n=23A174529