What is the f'th term of -13, -5, 25, 89, 199?
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What is the z'th term of 141, 243, 345?
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What is the d'th term of -68, -305, -688, -1211, -1868?
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What is the i'th term of 15, 24, 39, 60, 87, 120, 159?
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What is the k'th term of -2719, -5438, -8157?
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What is the a'th term of -2, -11, -20, -29?
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What is the f'th term of 150, 302, 454, 606?
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What is the k'th term of -575, -1147, -1717, -2285, -2851?
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What is the o'th term of -1352, -1359, -1378, -1415, -1476?
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What is the n'th term of 1, 24, 85, 202, 393?
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What is the c'th term of -8, -10, -10, -2, 20?
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What is the p'th term of 22, 68, 146, 256, 398?
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What is the o'th term of 26, 37, 34, 11, -38, -119?
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