What is the r'th term of 2, 9, 28, 65, 126, 217?
上一篇:
What is the b'th term of 674, 679, 686, 695, 706, 719, 734?
下一篇:
What is the f'th term of 4, 30, 104, 250, 492, 854?
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What is the h'th term of -33, -71, -109?
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What is the s'th term of 509, 1030, 1563, 2114, 2689, 3294, 3935, 4618?
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What is the d'th term of 35, 43, 57, 83, 127, 195, 293?
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What is the f'th term of -25, -56, -97, -148, -209?
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What is the y'th term of 6, -38, -122, -252, -434, -674, -978?
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What is the f'th term of -151, -150, -149?
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What is the b'th term of 674, 679, 686, 695, 706, 719, 734?
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What is the u'th term of 436, 851, 1268, 1687?
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What is the v'th term of -815, -818, -823, -830, -839, -850?
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What is the f'th term of 4, 30, 104, 250, 492, 854?
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What is the y'th term of 1574, 6342, 14282, 25388, 39654, 57074, 77642?
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What is the c'th term of 226, 411, 582, 733, 858, 951?