[seqfan] Re: Just a quick (but hard?) funny sequence idea

[Neil Sloane]

Will someone submit this sequence to the OEIS and post the A-number here?


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 Sun, Aug 27, 2017 at 1:18 AM, Gaurav Verma <gvermaiitk at gmail.com> wrote:

> Hi!
>
> Here are the first 10 terms of the sequence:
>
> a(1) = 3
> a(2) = 3
> a(3) = 878
> a(4) = 11404
> a(5) = 11404
> a(6) = 595413
> a(7) = 1797640
> a(8) = 98274734
> a(9) = 298419478
> a(10) = work in progress, will update soon
>
> I've also attached the python code that I used to generate these terms, for
> your perusal.
>
> Regards,
> Gaurav Verma
>
> Senior Undergraduate
> Dept. of Electrical Engineering
> IIT Kanpur, Kanpur
> Uttar Pradesh, India
>
> Phone: (+91)7839984134
> Email: gverma at iitk.ac.in | gvermaiitk at gmail.com
> Homepage: http://home.iitk.ac.in/~gverma
>
> On Sat, Aug 26, 2017 at 9:04 PM, Trizen <trizenx at gmail.com> wrote:
>
> > a(7) = 1797640
> > a(8) = 98274734
> >
> >
> >
> >
> > On Sat, Aug 26, 2017 at 6:21 PM, W. Edwin Clark <wclark at mail.usf.edu>
> > wrote:
> >
> > > a(3) = 878
> > > a(4) = a(5) = 11404
> > >
> > > On Sat, Aug 26, 2017 at 6:23 AM, Felix Fröhlich <felix.froe at gmail.com>
> > > wrote:
> > >
> > > > Dear Sequence Fans,
> > > >
> > > > just had the idea for the following funny sequence:
> > > >
> > > > Least k > 1 such that the initial n digits in the decimal expansions
> of
> > > Pi
> > > > and Pi^k coincide, ignoring the decimal point.
> > > >
> > > > a(1) = a(2) = 3, since Pi = 3.14159... and Pi^3 = 31.00627..., where
> > > first
> > > > two digits (31) coincide.
> > > >
> > > > What are further terms of the sequence?
> > > >
> > > > Best regards
> > > > Felix Fröhlich
> > > >
> > > > --
> > > > Seqfan Mailing list - http://list.seqfan.eu/
> > > >
> > >
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> > >
> >
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