What is the a'th term of 0, -6, -16, -30?
上一篇：
What is the d'th term of -15, 20, 53, 84, 113, 140, 165?
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What is the x'th term of -1, 23, 91, 221, 431, 739, 1163?
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What is the o'th term of 5, -3, -15, -31?
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What is the n'th term of 134, 148, 164, 182, 202?
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What is the y'th term of 31, 35, 37, 37?
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What is the b'th term of 64, 158, 312, 526, 800, 1134?
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What is the z'th term of 8, 28, 62, 110?
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What is the q'th term of 173, 355, 551, 767, 1009, 1283?
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What is the d'th term of -15, 20, 53, 84, 113, 140, 165?
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What is the l'th term of -32, -98, -164?
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What is the u'th term of 93, 200, 317, 444, 581?
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What is the x'th term of -1, 23, 91, 221, 431, 739, 1163?
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What is the f'th term of 26, 58, 94, 134, 178?
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What is the f'th term of -46, -102, -168, -244?
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