Calculate: $$\frac{1}{1\times 2}+\frac{2}{2\times 4}+\frac{3}{4\times 7}+\frac{4}{7\times 11}+\frac{5}{11\times 16}+\frac{6}{16\times 22}+\frac{7}{22\times 29}+\frac{1}{29}$$. 
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