Wrong Maple Program for A010892?

[Peter Pein]

Edwin Clark schrieb:
> On Mon, 1 Jan 2007, Rainer Rosenthal wrote:
> 
>> In OEIS sequence A010982 there is the following Maple program:
>>
>>           with(numtheory, cyclotomic);
>>           c := n->series(1/cyclotomic(6, x), x, 80);
>>
> Obviously a mistake. A simpler Maple program would be:
> 
>    a:=n->coeftayl(1/(x^2-x+1), x=0, n);
> 
> 
> 
> 
Or simply a:=n->2*sin(Pi*(n+1)/3)/sqrt(3)

(if we are talking about A010892, not A010982)

P^2

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