What is the f'th term of 19, 50, 83, 118, 155, 194, 235?
上一篇：
What is the k'th term of 1819, 1825, 1831, 1837, 1843, 1849?
下一篇：
What is the j'th term of 21, 90, 229, 450, 765, 1186, 1725?
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What is the a'th term of 13, 30, 49, 70?
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What is the c'th term of 10, 33, 90, 193, 354, 585?
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What is the v'th term of -2056, -2057, -2058?
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What is the m'th term of -357, -707, -1057, -1407, -1757?
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What is the p'th term of 2549, 2547, 2553, 2573, 2613, 2679, 2777?
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What is the q'th term of 51, -24, -151, -330, -561, -844, -1179?
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What is the k'th term of 1819, 1825, 1831, 1837, 1843, 1849?
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What is the a'th term of -325, -287, -187, 5, 319, 785, 1433?
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What is the y'th term of 221, 215, 209?
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What is the j'th term of 21, 90, 229, 450, 765, 1186, 1725?
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What is the o'th term of 114, 122, 130, 138, 146, 154?
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What is the o'th term of -16, -27, -40, -55?
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