According to the Wikipedia article on Knots,
The number of crossing (rule $1$) and a line crossing the triangle (rule $2$) form a number such as $3,1$. With these two numbers, how do you form a Jones polynomial?
update Where does $t^{3/2}$ come from, where is a variable for 3 to substitute in (6.7)(6.8)(6.9)?
How do notation come out from skein relation?
Where do $V_{O_2}(t)$ come from and equal to what number?
How does $V_{\sigma^3}$ become a combination of $V_\sigma$ and $V_{\sigma^2}$