Separăm in 2 inegalitati
[tex]18 \sqrt{3} > n \\ n < 18 \sqrt{3} \\ 18 \sqrt{3} > n + 1 \\ n > - 1 + 18 \sqrt{3} \\ n \: apartine \: ( - 1 + 18 \sqrt{3} \: . \: \: 18 \sqrt{3} )[/tex]