What is the k'th term of 215, 432, 651, 872, 1095?
上一篇：
What is the g'th term of -181, -252, -369, -532, -741?
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What is the d'th term of 7, 22, 61, 136, 259, 442, 697?
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What is the c'th term of -28, -114, -266, -490, -792, -1178, -1654, -2226?
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What is the i'th term of 10, 25, 40, 55?
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What is the s'th term of 20, 34, 44, 50, 52, 50?
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What is the h'th term of 241, 484, 727, 970, 1213, 1456?
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What is the o'th term of -32, -71, -110, -149?
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What is the t'th term of 35, 40, 41, 32, 7, -40?
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What is the g'th term of -181, -252, -369, -532, -741?
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What is the d'th term of 249, 255, 261, 267?
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What is the f'th term of 81, 126, 171, 216, 261?
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What is the d'th term of 7, 22, 61, 136, 259, 442, 697?
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What is the b'th term of 116, 235, 354, 473, 592, 711?
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What is the u'th term of -15, -40, -65, -90, -115?
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