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

[W. Edwin Clark]

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
>
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