What is the z'th term of 54, 45, 36, 27?
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What is the d'th term of 13, 3, -17, -53, -111, -197, -317?
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What is the f'th term of 688, 690, 692, 694, 696?
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What is the r'th term of 45, 79, 115, 153?
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What is the r'th term of 56, 72, 86, 98, 108, 116, 122?
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What is the x'th term of 394, 395, 396, 397, 398?
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What is the u'th term of 5, 48, 163, 386, 753, 1300?
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What is the s'th term of 236, 470, 704, 938, 1172?
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What is the x'th term of -1903, -1898, -1891, -1882, -1871, -1858, -1843?
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What is the d'th term of 13, 3, -17, -53, -111, -197, -317?
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What is the c'th term of 6, 22, 48, 84, 130?
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What is the n'th term of 8723, 17449, 26175, 34901?
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What is the f'th term of 688, 690, 692, 694, 696?
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What is the n'th term of -15, -21, -31, -45, -63?
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What is the b'th term of 411, 813, 1215, 1617, 2019, 2421?
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