New sequences

[Thomas Baruchel]

On Ven, déc 09, 2005 at 04:30:07 +0100, Tautócrona wrote:
> in Pari-GP (it would be easier if I knew how to make forprime to run
> backwards) and doing it "by hand" is a bit nasty if we want to fill three or
> four lines of accurate digits in 

You don't need to run backward :
m=[1,0;0,1];forprime(k=1,1000,m=m*[k,1;1,0]);m[1,1]/m[2,1]+.
will give you 2.3130367364335829063839 (which is the inverse of your
> [0,2,3,5,...,19] = 0.4323320871859025970563837017   )

Regards,

-- 
Thomas Baruchel
  Home Page: http://baruchel.free.fr/~thomas/