What is the a'th term of -5, -5, -11, -29, -65, -125, -215?
上一篇:
What is the v'th term of -4, 62, 242, 590, 1160, 2006, 3182, 4742?
下一篇:
What is the x'th term of -16, -6, 4, 8, 0?
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What is the f'th term of 46, 65, 110, 193, 326, 521, 790?
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What is the r'th term of -1843, -1841, -1839, -1837?
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What is the a'th term of 63, 46, 17, -24, -77, -142?
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What is the w'th term of 64, 118, 172, 226?
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What is the d'th term of 4, 18, 40, 70, 108?
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What is the m'th term of 63, 296, 693, 1260, 2003, 2928?
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What is the v'th term of -4, 62, 242, 590, 1160, 2006, 3182, 4742?
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What is the q'th term of 252, 506, 760?
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What is the p'th term of 14, 26, 34, 38?
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What is the x'th term of -16, -6, 4, 8, 0?
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What is the z'th term of -4, -6, -6, -10, -24, -54?
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What is the k'th term of 15457, 30915, 46373, 61831?