What is the p'th term of -15, -17, -5, 33, 109, 235?
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What is the t'th term of 14, -4, -60, -172, -358?
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What is the a'th term of 158, 156, 150, 140, 126, 108?
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What is the m'th term of 168, 212, 256?
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What is the a'th term of 18, 28, 40, 54, 70, 88?
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What is the s'th term of -13, -38, -91, -178, -305, -478, -703?
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What is the j'th term of -234, -932, -2096, -3726?
一个美术生