Exciting Mario Kart Grand Prix - Minimize the point difference!
JavaScript (ES7), 19 bytes

n=&gt;14/n**n+1^n%12&lt;1

Try it online!
We compute:
$$\left\lfloor\frac{14}{n^n}+1\right\rfloor$$
which is \$\lfloor 14/1+1\rfloor=15\$ for \$n=1\$, \$\lfloor 14/4+1 \rfloor=4\$ for \$n=2\$, or \$1\$ for \$n&gt;2\$.
We then XOR the result with \$1\$ if \$n \bmod 12=0\$.