Algorithms/Sequences/EuclidNumbersSequence.cs

using System.Collections.Generic;
using System.Numerics;

namespace Algorithms.Sequences;

//github.com/ <summary>
//github.com/     <para>
//github.com/         Sequence of Euclid numbers: 1 + product of the first n primes.
//github.com/     </para>
//github.com/     <para>
//github.com/         Wikipedia: https://wikipedia.org/wiki/Euclid_number.
//github.com/     </para>
//github.com/     <para>
//github.com/         OEIS: https://oeis.org/A006862.
//github.com/     </para>
//github.com/ </summary>
public class EuclidNumbersSequence : ISequence
{
    //github.com/ <summary>
    //github.com/ Gets sequence of Euclid numbers.
    //github.com/ </summary>
    public IEnumerable<BigInteger> Sequence
    {
        get
        {
            var primorialNumbers = new PrimorialNumbersSequence().Sequence;

            foreach (var n in primorialNumbers)
            {
                yield return n + 1;
            }
        }
    }
}