Tweak as needed:

(keep-indexed
              (fn [i v]
                (if (= 0 (mod i 5))
                  nil
                  v))
              (range 30))

On Tue, Feb 17, 2015 at 12:21 PM, Cecil Westerhof <cldwester...@gmail.com>
wrote:

> What is the best way to remove all elements which position (counting from
> 1) is a multiply of five out of a list?
>
> So the list:
>     (1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21)
> ​becomes:
>     (1 2 3 4 6 7 8 9 11 12 13 14 16 17 18 19 21)​
>
> --
> Cecil Westerhof
>
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