What is the s'th term of 127, 265, 405, 547, 691?
上一篇：
What is the k'th term of 13, -8, -57, -146, -287, -492?
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What is the a'th term of -15, -60, -177, -402, -771, -1320, -2085, -3102?
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What is the k'th term of 13, -8, -57, -146, -287, -492?
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What is the k'th term of 40, 277, 924, 2185, 4264, 7365, 11692, 17449?
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What is the t'th term of 830, 835, 838, 839, 838, 835, 830?
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What is the a'th term of -15, -60, -177, -402, -771, -1320, -2085, -3102?
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What is the g'th term of -22, -60, -86, -94, -78, -32, 50, 174?
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What is the c'th term of 17, 102, 243, 440, 693, 1002?
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