What is the k'th term of -138, -183, -228?
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What is the l'th term of 211, 1349, 4433, 10435, 20327, 35081?
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What is the h'th term of 12, 30, 36, 24, -12, -78, -180, -324?
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What is the l'th term of 211, 1349, 4433, 10435, 20327, 35081?
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What is the z'th term of -16105, -32210, -48315, -64420?
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What is the d'th term of -1551, -3102, -4653, -6204, -7755?
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What is the h'th term of 12, 30, 36, 24, -12, -78, -180, -324?
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What is the b'th term of 31, 65, 123, 205, 311, 441?
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What is the k'th term of -80, -155, -230, -305?
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