What is the x'th term of 61, 50, 47, 58, 89, 146?
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What is the s'th term of -1870, -3734, -5598, -7462?
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What is the c'th term of 14, 35, 68, 113, 170, 239?
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What is the r'th term of -603, -1212, -1823, -2436, -3051, -3668, -4287?
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What is the f'th term of -3920, -7809, -11708, -15623, -19560, -23525, -27524?
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What is the x'th term of -101, -98, -93, -86, -77?
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What is the y'th term of -296, -286, -262, -218, -148, -46, 94?
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What is the c'th term of -244, -245, -246, -247, -248, -249?
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What is the y'th term of -12, -41, -90, -159, -248, -357?
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What is the h'th term of 17, 19, 1, -43, -119, -233, -391?
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What is the s'th term of 3525, 3521, 3517?
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What is the o'th term of 563, 556, 535, 494, 427, 328, 191, 10?
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What is the m'th term of -36, -48, -60, -72, -84?
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