[Haskell-cafe] Style and a problem

[Wanas]

Hey all,

So I have a two part question (I'm new to haskell, so you can throw all your
mugs at me).

a) I want to write a function that generates lists of lists of size $n$. All
having the property that sum lst = sum [1..n].
a-1) After that, I want to remove all permutations. My idea of doing this is
to get all lists from the first function and create a new list with the
property that "if sorted list A is not in the list, add it."

b-2) I think that's too much questions, but I want to get the hang of this
quickly (it was kickass for the few things I've tried out).

Thanks,
\/\/
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