What is the p'th term of -352, -697, -1040, -1381?
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What is the b'th term of 4, -7, -18?
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What is the a'th term of -1, 0, -5, -22, -57, -116, -205, -330?
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What is the a'th term of 57, 132, 205, 276, 345, 412?
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What is the l'th term of 10, 38, 74, 118, 170, 230?
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What is the b'th term of -20, -13, -2, 13?
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What is the q'th term of -103, -104, -107, -112, -119?
一个美术生