What is the r'th term of 199, 232, 273, 322, 379, 444, 517?
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What is the o'th term of 498, 1007, 1518, 2031, 2546, 3063, 3582?
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What is the x'th term of -103, -127, -167, -223, -295?
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What is the y'th term of -4, 3, 10?
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What is the g'th term of 168, 330, 494, 660, 828, 998, 1170?
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What is the r'th term of 11, 15, 19?
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What is the u'th term of -22224, -22225, -22226?
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What is the u'th term of 9881, 9884, 9897, 9926, 9977, 10056?
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What is the r'th term of -16, 2, 48, 134, 272, 474, 752?
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What is the m'th term of -380, -382, -386, -392, -400, -410?
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What is the p'th term of -628, -1255, -1884, -2515, -3148?
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What is the t'th term of 42, 37, 22, -9, -62, -143?
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What is the m'th term of 146, 196, 250, 308, 370?
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