What is the r'th term of 43, 40, 35, 28, 19, 8?
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What is the n'th term of 79, 155, 231?
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What is the v'th term of 87, 368, 825, 1452, 2243, 3192, 4293, 5540?
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What is the n'th term of 115, 122, 143, 184, 251, 350, 487, 668?
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What is the o'th term of 252, 418, 584, 750, 916?
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What is the b'th term of 4, -12, -46, -98, -168, -256?
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What is the o'th term of -31, 19, 101, 215, 361, 539, 749?
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