What is the f'th term of 51, 58, 63, 66, 67?
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What is the g'th term of 47, 154, 263, 374, 487?
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What is the c'th term of 261, 269, 275, 279, 281, 281?
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What is the x'th term of 256, 257, 258, 259, 260?
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What is the q'th term of -429, -861, -1303, -1761, -2241, -2749?
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What is the t'th term of -476, -494, -524, -572, -644?
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What is the l'th term of -2879, -5756, -8631, -11504, -14375, -17244?
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