What is the x'th term of 12, 48, 106, 186, 288?
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What is the s'th term of 171, 331, 491?
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What is the t'th term of 201, 407, 613?
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What is the u'th term of -446, -889, -1332, -1775, -2218, -2661?
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What is the d'th term of -565, -555, -549, -553, -573?
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What is the a'th term of 45, 40, 23, -12, -71, -160, -285, -452?
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What is the q'th term of 1547, 1551, 1561, 1583, 1623, 1687, 1781, 1911?
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What is the f'th term of -2, 0, 0, -2?
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What is the x'th term of -115, -229, -343?
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What is the d'th term of -21, -17, -11, -3?
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What is the q'th term of -100, -370, -810, -1420?
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What is the a'th term of -1651, -1652, -1653, -1654, -1655?
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What is the q'th term of 24, 44, 64, 84?
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