What is the s'th term of 422, 735, 1034, 1313, 1566?
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What is the n'th term of -78, -80, -84, -90, -98?
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What is the x'th term of -212, -208, -204?
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What is the y'th term of -109, -110, -111, -112, -113, -114?
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What is the v'th term of 602, 1207, 1812, 2417, 3022?
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What is the f'th term of 89, 163, 239, 317?
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What is the k'th term of 240, 219, 164, 57, -120, -385, -756?
一个美术生