👉 In the context of mathematics, a "doblon" is a generalization of a binomial coefficient. A binomial coefficient is defined as: \[ \binom{n}{k} = \frac{(n+k-1)!}{k!(n-k-1)!} \] For example, 4 choose 2 can be calculated using the formula: \[ \binom{4}{2} = \frac{(4+2-1)!}{2!(4-2-