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

[Trizen]

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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>