[seqfan] Re: A proposed sequence

Neil Sloane njasloane at gmail.com
Thu Feb 23 16:03:45 CET 2017


David Newman, A047783 gives floor(Li(n)), but we should definitely have
your version too - please submit it!

Best regards
Neil

Neil J. A. Sloane, President, OEIS Foundation.
11 South Adelaide Avenue, Highland Park, NJ 08904, USA.
Also Visiting Scientist, Math. Dept., Rutgers University, Piscataway, NJ.
Phone: 732 828 6098; home page: http://NeilSloane.com
Email: njasloane at gmail.com


On Thu, Feb 23, 2017 at 9:59 AM, Charles Greathouse <
charles.greathouse at case.edu> wrote:

> One version is here: https://oeis.org/A047783
>
> Charles Greathouse
> Case Western Reserve University
>
> On Wed, Feb 22, 2017 at 10:02 PM, David Newman <davidsnewman at gmail.com>
> wrote:
>
> > The logarithmic integral of x, minus the number of primes less than x,
> is a
> > number which appears in statements of the Riemann hypothesis.  Would it
> be
> > nice to have a sequence of the integer parts of these numbers?  The
> numbers
> > I've gotten  are:
> >
> > 0, 0, 0, 0, 1, 0, 1, 1, 2, 1, 2, 1, 1, 2, 2, 1, 2, 1, 1, 2, 2, 1, 2, \
> > 2, 2, 3, 3, 2, 3, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 3, 3, 2, \
> > 2, 3, 3...
> >
> > I haven't been able to find this in the OEIS.  I know from past
> experience
> > that it may be there even though I've been unable to find it.
> >
> > --
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> >
>
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>


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