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series expansion (\frac{t}{24} \left ( 8t^3+3\sqrt{2}ln\frac{1+\sqrt{2}t+t^2}{1-\sqrt{2}t+t^2}+6\sqrt{2}arctan\frac{\sqrt{2}t}{t^2-1} \right )) at t = 0 to t^76
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