Let \(a_{1},a_{2},\ldots,a_{n}\) be a given A.P. whose common difference is an integer and \(S_{n} = a_{1} + a_{2} + \ldots + a_{n}\). If \(a_{1} = 1,a_{n} = 300\) and \(15 \leq n \leq 50\), then the ordered pair \(\left( S_{n - 4},a_{n - 4} \right)\) is equal to