Beautiful Sequence
An integer sequence is called beautiful if the difference between any two consecutive numbers is equal to $1$. More formally, a sequence $s_1, s_2, \ldots, s_{n}$ is […]
Beautiful Sequence
An integer sequence is called beautiful if the difference between any two consecutive numbers is equal to $1$. More formally, a sequence $s_1, s_2, \ldots, s_{n}$ is […]