What is the v'th term of 4, 2, 0?
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What is the g'th term of -4455, -4457, -4459, -4461?
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What is the r'th term of -11, -144, -489, -1148, -2223, -3816?
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What is the t'th term of 256, 566, 876?
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What is the f'th term of 9, -39, -119, -231?
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What is the o'th term of 0, 15, 42, 81?
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What is the c'th term of 145, 186, 227?
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