What is the r'th term of 15, 41, 67, 93, 119?
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What is the x'th term of -27, -58, -139, -294, -547, -922, -1443, -2134?
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What is the v'th term of 42, 92, 142, 192, 242?
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What is the l'th term of 2012, 2013, 2014, 2015?
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What is the u'th term of -16, -33, -50, -67, -84, -101?
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What is the v'th term of -1686, -3374, -5060, -6744, -8426?
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What is the g'th term of 894, 1789, 2684, 3579, 4474, 5369?
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What is the c'th term of -1688, -1693, -1702, -1715?
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What is the u'th term of -1063, -2152, -3241?
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What is the i'th term of 107, 199, 289, 377?
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What is the h'th term of -21, -32, -43, -54, -65, -76?
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What is the i'th term of -4773, -4770, -4767, -4764?
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What is the o'th term of 410, 819, 1228?
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