Re^2: Perl Puzzlesby moritz (Cardinal)
|on Oct 10, 2010 at 08:41 UTC||Need Help??|
Similar in spirit, but less focused on math are 99 Lisp problems (but can be approached in Perl too), and rosettacode.
Also I solved the greplin programming challenge yesterday (in Perl 6 :-) -- nice, but only three tasks.
Perl 6 - links to (nearly) everything that is Perl 6.