\[\boxed{\text{526.}\text{\ }\text{ОК\ ГДЗ\ -\ домашка\ на\ 5}}\]
\[c_{1} = - 1,\ \ c_{2} = 0,\ \ \]
\[c_{3} = - 1,\ \ c_{4} = 0,\]
\[\text{\ \ }c_{5} = - 1,\ \ c_{6} = 0,\ \ \]
\[c_{7} = - 1,\ \ c_{8} = 0,\ \ \]
\[c_{25} = - 1,\ \ c_{200} = 0,\]
\[c_{253} = - 1,\ \ c_{2k} = 0,\ \ \]
\[c_{2k + 1} = - 1.\]