C-Sharp/Algorithms/Sequences/KummerNumbersSequence.cs at master · TheAlgorithms/C-Sharp · GitHub

Name: C-Sharp/Algorithms/Sequences/KummerNumbersSequence.cs at master · TheAlgorithms/C-Sharp · GitHub
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usingSystem.Collections.Generic;
usingSystem.Linq;
usingSystem.Numerics;

namespaceAlgorithms.Sequences;

/// <summary>
/// <para>
/// Sequence of Kummer numbers (also called Euclid numbers of the second kind):
/// -1 + product of first n consecutive primes.
/// </para>
/// <para>
/// Wikipedia: https://wikipedia.org/wiki/Euclid_number.
/// </para>
/// <para>
/// OEIS: https://oeis.org/A057588.
/// </para>
/// </summary>
publicclassKummerNumbersSequence:ISequence
{
/// <summary>
/// Gets sequence of Kummer numbers.
/// </summary>
publicIEnumerable<BigInteger>Sequence
{
get
{
varprimorialNumbers=newPrimorialNumbersSequence().Sequence.Skip(1);

foreach(varninprimorialNumbers)
{
yieldreturnn-1;
}
}
}
}