Parallel stepped for loops in .NET C# z

for (int i = ; i < ; i += )

public IEnumerable<int> SteppedIntegerList(int startIndex,
            int endEndex, int stepSize)
{
        for (int i = startIndex; i < endEndex; i += stepSize)
    {
        yield return i;
    }
}

Parallel.ForEach(SteppedIntegerList(, , ), index =>
{
    Console.WriteLine("Index value: {0}", index);
});