已知数列\(\{a_{n}\}\)满足:\(a_{1}=1\),\(a_{2}=2\),\({{a}_{n+2}}=(1+{{\cos }^{2}}\dfrac{n\pi }{2}){{a}_{n}}+{{\sin }^{2}}\dfrac{n\pi }{2}\),\(n=1\),\(2\),\(3\),\(…\)
\((\)Ⅰ\()①\)求\(a_{3}\),\(a_{4}\),\(a_{5}\),\(a_{6}\);
\(②\)证明数列\(a_{1}\),\(a_{3}\),\(a_{5}\),\(a_{7}\),\(…\),\(a_{2k-1}\),\(…(k∈N^{*})\)成等差数列
\((\)Ⅱ\()\)设\({{b}_{n}}=\dfrac{1}{{{a}_{2n-1}}\cdot \sqrt{{{a}_{2n+1}}}+{{a}_{2n+1}}\cdot \sqrt{{{a}_{2n-1}}}}\),若\(T_{n}=b_{1}+b_{2}+…+b_{n}\),求\(T_{n}\)