fix first n fib nums

Before submitting this Pull Request, please go thorugh the following checklist: --- Describe what this PR changes: This change … --- If you've fixed [a logged issue](https://github.com/abrudz/APLcart/issues), complete the following line by putting the issue number to the immediate right of the # symbol: Fixes # --- If you've made changes to `table.tsv`: - [ ] from your APL session, check that the table is well-formatted - `]link.import # path/aplcart` - `Test'path/aplcart/table.tsv'` should return `1` --- If you've made code or styling changes: - [ ] Fire up a local server and check that the site functions properly. For example, you can use [MiServer](https://github.com/Dyalog/MiServer/releases/latest): - `)load miserver.dws` - `Start'path/aplcart'` - Open [`localhost:8080`](http://localhost:8080/) in your browser --- Thank you for your contribution to APLcart, @abrudz will have a look as soon as convenient.