What is the l'th term of 292, 602, 914, 1228, 1544, 1862, 2182?
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What is the u'th term of 120, 123, 126?
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What is the r'th term of -182, -192, -216, -260, -330?
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What is the m'th term of 182, 371, 560, 749, 938, 1127?
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What is the p'th term of -26, -15, 10, 49, 102, 169, 250?
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What is the d'th term of 140, 278, 416?
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What is the k'th term of -232, -231, -232, -235?
一个美术生