What is the r'th term of -8, -27, -58, -101, -156, -223?
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What is the n'th term of -188, -377, -566?
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What is the k'th term of 226, 419, 612, 805, 998, 1191?
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What is the i'th term of -67, -72, -97, -154, -255, -412, -637?
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What is the g'th term of 311, 294, 251, 170, 39, -154, -421, -774?
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What is the k'th term of 103, 217, 351, 511, 703?
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What is the s'th term of -67, -62, -45, -10, 49, 138, 263?
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