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1/64 (47 + 17 (-1)^n + (55 + 9 (-1)^n) n + (19 + (-1)^n) n^2 + 2 n^3) for n = 4
1/64 (47 + 17 (-1)^n + (55 + 9 (-1)^n) n + (19 + (-1)^n) n^2 + 2 n^3) for n = 4
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