http://data.artofproblemsolving.com/...127e0e085e.png

Printable View

- Nov 5th 2013, 10:18 AMvegasgunnerhelp
- Nov 5th 2013, 10:39 AMSlipEternalRe: help
Make a table:

Domain: $\displaystyle n$ Range: $\displaystyle l(n)$ 0 4 (zero has 4 letters) $\displaystyle \vdots$ $\displaystyle \vdots$ 20 6 (twenty has 6 letters)

Complete the table, then we can help further.