Central binomial coefficient
= Central binomial coefficient
{title2=$\binom{2n}{n}$}
{wiki}
The central binomial coefficient is the largest coefficient in the expansion of $(1+1)^{2n}$:
$$
\binom{2n}{n}=\frac{(2n)!}{(n!)^2}.
$$
= Central binomial coefficient
{title2=$\binom{2n}{n}$}
{wiki}
The central binomial coefficient is the largest coefficient in the expansion of $(1+1)^{2n}$:
$$
\binom{2n}{n}=\frac{(2n)!}{(n!)^2}.
$$