What is the f'th term of -2, -8, -20, -38, -62, -92, -128?
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What is the n'th term of 3566, 3565, 3564?
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What is the z'th term of 22, -50, -294, -794, -1634, -2898, -4670?
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What is the o'th term of 11, 16, 29, 56, 103, 176?
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What is the v'th term of -4, -22, -54, -106, -184, -294, -442?
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What is the l'th term of -4674, -4672, -4668, -4662, -4654, -4644?
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What is the v'th term of -11, -6, 9, 40, 93?
一个美术生