[seqfan] Re: Time-Indepenent Schrodinger Equation discrete version

L. Edson Jeffery lejeffery2 at gmail.com
Tue Feb 19 23:44:45 CET 2013

>Is https://oeis.org/A219844

>Calculated as many T(n,k) terms as I can and they agree with the empirical

>The formula though obviously depends on a fact about sampling x(j) of
>sin(j*2Pi/n+offset), namely that you can't find a set of x(j) with exclusively
>rational ratios except for n=1,2,3,4 or 6.

>I don't know how you'd go about proving that.

As for proving the fact, is it not already known as the "crystallographic

Ed Jeffery

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