What is the r'th term of 543, 1083, 1619, 2151, 2679, 3203?
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What is the k'th term of -432, -866, -1310, -1770, -2252, -2762, -3306?
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What is the t'th term of 15, 84, 197, 354, 555, 800, 1089?
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What is the n'th term of 56, 109, 162, 215?
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What is the f'th term of -60, -63, -70, -81?
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What is the c'th term of 136, 272, 408?
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What is the z'th term of -5, 6, 45, 124, 255, 450, 721, 1080?
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What is the c'th term of 564, 568, 572?
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What is the h'th term of 14, 21, 24, 17, -6, -51?
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What is the r'th term of 70, 83, 106, 139, 182, 235, 298?
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What is the z'th term of 82, 99, 140, 217, 342, 527, 784?
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What is the c'th term of -23, 42, 217, 556, 1113, 1942, 3097, 4632?
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What is the u'th term of 853, 855, 859, 865, 873, 883?
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