What is the z'th term of 8, 21, 32, 41?
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What is the a'th term of -9, 138, 383, 726, 1167, 1706, 2343?
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What is the a'th term of 231, 472, 711, 948, 1183, 1416?
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What is the a'th term of -9, 138, 383, 726, 1167, 1706, 2343?
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What is the k'th term of 35, 140, 315, 560, 875, 1260, 1715?
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What is the p'th term of 58, 47, 32, 13?
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What is the a'th term of 231, 472, 711, 948, 1183, 1416?
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What is the t'th term of 57, 61, 67, 75, 85, 97, 111?
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What is the a'th term of -117, -227, -325, -405, -461, -487, -477, -425?
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