\[\boxed{\mathbf{706\ (706).\ }Еуроки\ - \ ДЗ\ без\ мороки}\]
\[1)\ 1,\ 4,\ 9,\ 25,\ \ldots,\ a_{n} = n^{2};\]
\[2)\ 5,\ 8,\ 11,\ 14,\ 17,\ \ldots,\ a_{n} =\]
\[= 3n + 2;\]
\[3)\ 0,\frac{1}{2},\frac{2}{3},\frac{3}{4},\frac{4}{5},\ \ldots,\ a_{n} = \frac{n - 1}{n};\]
\[4)\ 0,\ 2,\ 0,\ 2,\ 0,\ \ldots,\ a_{n} = ( - 1)^{n} + 1.\]