What is the l'th term of -28, -132, -308, -556, -876?
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What is the l'th term of -239, -299, -359, -419, -479?
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What is the k'th term of 132, 264, 408, 570, 756?
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What is the o'th term of 49172, 49181, 49202, 49241, 49304, 49397, 49526?
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What is the y'th term of 160, 626, 1398, 2476, 3860, 5550?
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What is the q'th term of -20, -7, 36, 121, 260?
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What is the i'th term of 63, 199, 419, 717, 1087?
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