What is the u'th term of -49, -116, -227, -382, -581, -824, -1111?
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What is the z'th term of 141, 243, 345?
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What is the d'th term of -68, -305, -688, -1211, -1868?
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What is the i'th term of 15, 24, 39, 60, 87, 120, 159?
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What is the k'th term of -2719, -5438, -8157?
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What is the a'th term of -2, -11, -20, -29?
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What is the f'th term of 150, 302, 454, 606?
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What is the c'th term of -827, -828, -831, -836, -843?
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What is the x'th term of 399, 801, 1205, 1611, 2019, 2429, 2841?
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What is the w'th term of 89, 88, 85, 80?
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What is the x'th term of -110, -440, -1344, -3110, -6026, -10380?
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What is the r'th term of -10, -37, -82, -145, -226, -325?
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What is the o'th term of -261, -521, -781?
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