What is the s'th term of -221, -214, -209, -206, -205, -206, -209?
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What is the p'th term of 3759, 3760, 3761, 3762, 3763?
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What is the b'th term of -505, -504, -503, -502, -501, -500?
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What is the t'th term of -80, -89, -104, -125?
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What is the a'th term of 1194, 4789, 10772, 19137, 29878, 42989?
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What is the r'th term of -32, -95, -198, -341, -524, -747, -1010?
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What is the b'th term of -133, -408, -829, -1396, -2109, -2968, -3973?
一个美术生