What is the r'th term of 214, 221, 238, 271, 326, 409, 526?
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What is the u'th term of 24, -51, -250, -633, -1260, -2191, -3486, -5205?
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What is the y'th term of -50, -91, -122, -137, -130, -95, -26, 83?
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What is the k'th term of -108, -216, -324, -432?
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What is the a'th term of -145, -146, -139, -118, -77, -10, 89, 226?
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What is the s'th term of -6, -1, 36, 123, 278, 519, 864?
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What is the b'th term of 116, 152, 208, 296, 428, 616?
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What is the l'th term of -4814, -4815, -4816, -4817?
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What is the d'th term of -142, -141, -152, -181, -234, -317?
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What is the k'th term of -104, -206, -308, -410?
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What is the n'th term of 57, 56, 55, 54?
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What is the h'th term of 300, 588, 876, 1170, 1476?
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What is the k'th term of 450, 456, 452, 432, 390, 320?
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