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![3098. Find the Sum of Subsequence Powers | 4D DP | time- O(n^5) [*will be updated for O(n^4)]](/_next/image?url=https%3A%2F%2Fi.ytimg.com%2Fvi%2F3go6vNha0Do%2Fhq720.jpg%3Fsqp%3D-oaymwEXCNAFEJQDSFryq4qpAwkIARUAAIhCGAE%3D%26rs%3DAOn4CLBtHDJjsYqQ-H5trbUSOSX8moAUJA&w=256&q=75)
