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A137760
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Distinct numbers in writing first numerator and then denominator (left to right) of Leibniz's harmonic-like triangle.
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9
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1, 2, 3, 5, 6, 4, 7, 12, 9, 20, 31, 30, 11, 49, 60, 13, 42, 71, 105, 209, 140, 8, 15, 56, 97, 168, 351, 280, 17, 72, 127, 252, 545, 504, 1471, 630, 10, 19, 90, 161, 360, 799, 840, 2561, 1260, 21, 110, 199, 495, 1121, 1320, 4159, 2310, 10625, 2772
(list; table; graph; refs; listen; history; internal format)
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OFFSET
| 1,2
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EXAMPLE
| 1/1; 1/2, 1/2; 1/3, 5/6, 1/3; 1/4, 7/12, 7/12, 1/4; 1/5, 9/20, 31/30, 9/20, 1/5;
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CROSSREFS
| Cf. A046201; A046204; A046205; A046206; A046208; A046212; A137752; A137753; A137754; A137755; A137756; A137757; A137758; A137759.
Sequence in context: A122348 A130951 A130386 * A194863 A194833 A195108
Adjacent sequences: A137757 A137758 A137759 * A137761 A137762 A137763
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KEYWORD
| frac,nonn,tabl
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AUTHOR
| Mohammad K. Azarian (azarian(AT)evansville.edu), Feb 11 2008
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