What is the u'th term of 315, 316, 317?
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What is the f'th term of -99, -201, -303, -405, -507?
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What is the c'th term of 2, 14, 38, 74, 122, 182?
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What is the u'th term of 52, 51, 50, 49, 48?
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What is the a'th term of -4, -69, -196, -385, -636?
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What is the l'th term of -608, -1205, -1802, -2399?
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What is the n'th term of -294, -351, -408, -465?
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What is the t'th term of 62922, 62923, 62924, 62925, 62926?
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What is the h'th term of -42, -37, -34, -33, -34, -37?
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What is the c'th term of -3257, -13033, -29325, -52133, -81457, -117297, -159653?
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What is the p'th term of -783, -1568, -2353, -3138?
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What is the f'th term of -8, 21, 100, 247, 480?
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What is the a'th term of -16, -64, -144, -256?
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