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12,16,112,120,⋅⋅⋅\frac{1}{2},\frac{1}{6},\frac{1}{12},\frac{1}{20},\cdot\cdot\cdot21,61,121,201,⋅⋅⋅
Find the reciprocal of the 77th77^{\text{th}}77th term of the sequence above.
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