What is the g'th term of -15, -11, -7, -3?
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What is the r'th term of -219, -234, -249, -264, -279, -294?
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What is the f'th term of -51, -111, -187, -279, -387, -511?
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What is the f'th term of 26, 58, 94, 134, 178?
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What is the x'th term of -1, 23, 91, 221, 431, 739, 1163?
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What is the a'th term of 0, -6, -16, -30?
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What is the d'th term of -15, 20, 53, 84, 113, 140, 165?
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What is the l'th term of -32, -98, -164?
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What is the u'th term of 93, 200, 317, 444, 581?
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What is the r'th term of -219, -234, -249, -264, -279, -294?
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What is the x'th term of -217, -217, -207, -181, -133, -57, 53, 203?
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What is the p'th term of -301, -299, -297?
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What is the f'th term of -51, -111, -187, -279, -387, -511?
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What is the x'th term of 160, 325, 490, 655, 820, 985?
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What is the z'th term of -22, -45, -70, -97, -126, -157?
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