What is the b'th term of -23, -5, 39, 121, 253, 447?
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What is the n'th term of 80, 67, 52, 35, 16, -5?
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What is the p'th term of -137, -245, -369, -515, -689, -897?
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What is the z'th term of 98, 93, 88, 83?
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What is the g'th term of -11, -52, -127, -242, -403, -616, -887?
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What is the x'th term of 195, 190, 185?
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What is the u'th term of -197, -216, -237, -260, -285, -312?
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What is the f'th term of 53, 52, 49, 44, 37?
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What is the k'th term of 149, 141, 133, 125?
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What is the p'th term of 68, 41, 12, -19, -52, -87, -124?
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What is the b'th term of -6, -30, -70, -126, -198, -286?
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What is the r'th term of 17, 77, 223, 497, 941?
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What is the k'th term of 100, 65, 6, -77, -184?
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