protected override void Generate()
{
Sequence primes = new SieveOfEratosthenes(Max + X);
foreach (int prime in primes.InRange(LastNumber, Max))
{
int p2 = prime + X;
int p3 = prime - X;
if (primes.Contains(p2) || primes.Contains(p3))
{
Numbers.Add(prime);
}
}
}
protected override void Generate()
{
Sequence primes = new SieveOfEratosthenes(Max);
foreach (int prime in primes.InRange(LastNumber, Max))
{
int sumOfDigits = prime.SumOfDigits();
if (primes.Contains(sumOfDigits)) //sum of digits is guaranteed to be equal or lesser number, so its in the prime collection
{
Numbers.Add(prime);
}
}
}