[plt-scheme] lang for Project Euler?

Hi, I was thinking of doing project euler (http://projecteuler.net) in plt
scheme. For the first problem, I wanted to use a typical "range" function
and noticed it isn't built in  (at least under that name).  What I'm
wondering is if there's some #lang I should probably be using to give me
many of the goodies I'd expect to have (not that it is hard to implement
range).  Again, I realize I'm still jumping in w/out doing much reading
first :).

Thanks.
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