👉 In the context of mathematics, a "countdown" is a sequence of events in which each event precedes the next. In other words, it's like a series where each element after the first is less than or equal to the previous one and greater than the preceding one. For example, if we have three elements: 1, 2, and 3, the countdown would be: - 1 - 2 - 3 In this sequence, the number "
