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# [Ruby], 27 bytes

```ruby
->n{x=[];n.times{x<<x*1};x}

->n{                      }  # lambda taking n
    x=[];                    # set x to empty array
         n.times{      };    # repeat n times
                 x<<x*1      # append x with a copy of itself       
                         x   # return x
```


[Try it online!][TIO-krd7rjze]

[Ruby]: https://www.ruby-lang.org/
[TIO-krd7rjze]: https://tio.run/##KypNqvyfZvtf1y6vusI2OtY6T68kMze1uLrCxqZCy7DWuqL2f3pqSbFeSX58JkRKISVfoSavhktBoUAhTU8jT5MrNS/lvykA "Ruby – Try It Online"