What is the g'th term of 17915, 17909, 17899, 17885, 17867, 17845, 17819?
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What is the o'th term of -18, -15, -12, -9, -6, -3?
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What is the t'th term of -42, -73, -104, -135?
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What is the n'th term of -85, -324, -719, -1270, -1977, -2840, -3859?
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What is the u'th term of 109, 135, 161, 187?
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What is the h'th term of 29, 34, 45, 62, 85, 114?
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What is the t'th term of -7, -65, -215, -499, -959, -1637, -2575, -3815?
一个美术生