What is the r'th term of 21, 67, 135, 219, 313, 411, 507, 595?
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What is the o'th term of -663, -1326, -1989, -2652?
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What is the l'th term of 11, 14, 17, 20?
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What is the x'th term of -97, -197, -297, -397, -497?
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What is the s'th term of 70, 191, 392, 673, 1034?
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What is the g'th term of -6, 17, 40?
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What is the j'th term of 2921, 2928, 2937, 2948, 2961, 2976?
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What is the u'th term of -2188, -2190, -2192, -2194, -2196?
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What is the r'th term of -30, -136, -320, -588, -946, -1400, -1956?
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What is the d'th term of 1853, 1857, 1861?
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What is the z'th term of -62, -60, -58, -56, -54, -52?
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What is the l'th term of 98, 198, 298, 398, 498?
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What is the g'th term of -41, -24, 9, 64, 147, 264?
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