What is the l'th term of 86, 177, 272, 371, 474, 581, 692?
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What is the s'th term of -10, -20, -44, -88, -158, -260, -400?
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What is the k'th term of 261, 266, 273, 282, 293, 306, 321?
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What is the c'th term of 35, 63, 89, 119, 159?
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What is the q'th term of -671, -1344, -2017?
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What is the o'th term of -1125, -1117, -1107, -1095, -1081, -1065?
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What is the x'th term of 27, 24, 23, 24?
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What is the u'th term of -122, -229, -336?
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What is the u'th term of 232, 463, 692, 919, 1144, 1367?
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What is the k'th term of 670, 668, 666, 664, 662, 660?
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What is the f'th term of -15, -39, -73, -111, -147, -175, -189?
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What is the t'th term of 1633, 3266, 4899, 6532?
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What is the d'th term of 109, 416, 915, 1594, 2441, 3444, 4591, 5870?
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