What is the m'th term of -3, -15, -35, -69, -123, -203, -315, -465?
上一篇：
What is the a'th term of 7, 139, 359, 667, 1063, 1547?
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What is the r'th term of 0, -5, -36, -105, -224, -405?
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What is the p'th term of 554, 1102, 1646, 2186, 2722, 3254, 3782?
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What is the z'th term of 86, 166, 246, 326, 406, 486?
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What is the w'th term of 201, 826, 1869, 3330, 5209, 7506?
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What is the a'th term of 3, -10, -57, -156, -325, -582, -945?
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What is the y'th term of 3, 14, 25, 36?
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What is the n'th term of 398, 817, 1236, 1655, 2074, 2493?
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What is the a'th term of 7, 139, 359, 667, 1063, 1547?
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What is the m'th term of 58, 108, 168, 244, 342, 468?
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What is the b'th term of 1315, 2629, 3943, 5257, 6571?
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What is the r'th term of 0, -5, -36, -105, -224, -405?
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What is the q'th term of -26193, -26194, -26197, -26202, -26209, -26218, -26229?
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What is the i'th term of -21, -9, 3?
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