Algorithms/Sequences/PowersOf2Sequence.cs

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

namespace Algorithms.Sequences;

//github.com/ <summary>
//github.com/     <para>
//github.com/         Sequence of powers of 2: a(n) = 2^n.
//github.com/     </para>
//github.com/     <para>
//github.com/         Wikipedia: https://wikipedia.org/wiki/Power_of_two.
//github.com/     </para>
//github.com/     <para>
//github.com/         OEIS: https://oeis.org/A000079.
//github.com/     </para>
//github.com/ </summary>
public class PowersOf2Sequence : ISequence
{
    //github.com/ <summary>
    //github.com/ Gets sequence of powers of 2.
    //github.com/ </summary>
    public IEnumerable<BigInteger> Sequence
    {
        get
        {
            var n = new BigInteger(1);

            while (true)
            {
                yield return n;
                n *= 2;
            }
        }
    }
}