What is the d'th term of -1, -17, -49, -97?
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What is the l'th term of -513, -514, -515?
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What is the n'th term of 662, 1323, 1972, 2603, 3210?
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What is the p'th term of 88, 94, 110, 142, 196, 278?
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What is the p'th term of 278, 256, 212, 140, 34?
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What is the g'th term of 487, 466, 417, 328, 187, -18, -299?
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What is the q'th term of -765, -1535, -2305, -3075?
一个美术生