What is the i'th term of 32, 71, 148, 275, 464?
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What is the p'th term of -7, -2, -3, -10, -23?
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What is the r'th term of -289, -292, -295, -298, -301?
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What is the w'th term of 243, 234, 219, 198, 171, 138, 99?
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What is the i'th term of -55, -108, -161?
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What is the n'th term of -53, -197, -437, -773, -1205, -1733, -2357?
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What is the u'th term of 186, 188, 192, 198, 206, 216, 228?
一个美术生