1.
正项数列\(\{a_{n}\}\)的前\(n\)项和\(S_{n}\)满足:\(S_{n}^{2}-(n^{2}+n-1)S_{n}-(n^{2}+n)=0\).
\((1)\)求数列\(\{a_{n}\}\)的通项公式;
\((2)\)若数列\(\{b_{n}\}\)满足\((n+2)^{2}\cdot b_{n}= \dfrac {n+1}{a_{n}^{2}}\),且前\(n\)项和为\(T_{n}\),且若对于\(∀n∈N^{*}\),都有\(T_{n} < \dfrac {m^{2}}{5}(m∈R)\),求\(m\)的取值范围.