[PURRS-devel] problem with PURRS ? - with regards to OEIS's A136429
Enea Zaffanella
zaffanella at cs.unipr.it
Mon Apr 7 09:18:17 CEST 2008
Alexander Povolotsky wrote:
> x(n)=x(n-x(n-1))+x(n-x(n-2))
>
> PURRS output "this recurrence is malformed"
The output message has to be interpreted wrt the current capabilities of
the system. PURRS cannot handle this kind of recurrence, so it says it
is malformed. See
http://www.cs.unipr.it/purrs/details
for info on the kind of recurrences that PURRS can handle.
Cheers,
Enea.
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