What is the r'th term of -645, -642, -637, -630?
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What is the f'th term of -141, -139, -133, -123?
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What is the a'th term of -425, -424, -423, -422, -421?
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What is the m'th term of 2639, 2636, 2631, 2624?
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What is the t'th term of -17, 62, 171, 292, 407, 498?
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What is the x'th term of 21, 44, 89, 168, 293?
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What is the m'th term of 31, 44, 61, 82, 107, 136, 169?
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What is the p'th term of 942, 923, 906, 891, 878?
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What is the z'th term of 82, 61, 16, -65, -194?
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What is the v'th term of 250, 507, 768, 1033, 1302, 1575?
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What is the l'th term of 173, 172, 171, 170?
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What is the w'th term of -33, -40, -47, -54, -61?
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What is the q'th term of -87, -150, -177, -150, -51, 138, 435?
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