Question 142
Let
$$
A_n = 1 \cdot 2 + 3 \cdot 4 + 5 \cdot 8 + \dots + (2n - 1) \cdot 2^n.
$$
Find $A_{2024}$.
(Nedyalka Dimitrova)
$$
A_n = 1 \cdot 2 + 3 \cdot 4 + 5 \cdot 8 + \dots + (2n - 1) \cdot 2^n.
$$
Find $A_{2024}$.
(Nedyalka Dimitrova)
Math Olympiad Vault · MathNet 2023-part-01 — 191 problems (EN–VI)