What is the x'th term of 43, 178, 403, 718, 1123, 1618?
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What is the r'th term of 188, 420, 668, 938, 1236, 1568?
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What is the x'th term of 5, 6, 17, 44, 93, 170, 281?
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What is the b'th term of 272, 310, 344, 374, 400, 422, 440?
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What is the u'th term of -108, -117, -126, -135?
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What is the v'th term of -4258, -8516, -12774, -17032?
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What is the m'th term of -1520, -3000, -4454, -5870, -7236, -8540?
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What is the n'th term of 9, 81, 203, 375?
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What is the q'th term of 4207, 8412, 12617, 16822, 21027, 25232?
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What is the l'th term of 9, 5, -3, -15, -31, -51, -75?
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What is the l'th term of -1681, -3355, -5029, -6703, -8377?
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What is the z'th term of 171, 189, 207, 225?
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What is the m'th term of -27, -33, -43, -57, -75?
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