What is the x'th term of -29, -19, 7, 55, 131, 241?
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What is the a'th term of 12, 30, 52, 78, 108?
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What is the m'th term of 81, 66, 33, -24, -111?
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What is the u'th term of -105, -204, -303, -402?
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What is the x'th term of 29, 50, 71, 80, 65?
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What is the t'th term of -68, -67, -72, -89, -124?
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What is the w'th term of 9, -3, -31, -81, -159, -271, -423?
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What is the u'th term of 196, 384, 572?
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What is the g'th term of -39, -32, -25, -18, -11, -4?
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What is the r'th term of -314, -634, -954, -1274, -1594?
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What is the f'th term of 11, -16, -41, -58, -61, -44, -1, 74?
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What is the q'th term of -262, -287, -312, -337?
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What is the z'th term of 761, 1520, 2279, 3038, 3797?
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