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Search: id:A137757
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| A137757 |
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Nontrivial elements in writing the denominator of an element first and then the numerator of that element (left to right) of Leibniz's harmonic-like triangle. That is, the nontrivial elements of A137753. |
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13
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| 2, 2, 3, 6, 5, 3, 4, 12, 7, 12, 7, 4, 5, 20, 9, 30, 31, 20, 9, 5, 6, 30, 11, 60, 49, 60, 49, 30, 11, 6, 7, 42, 13, 105, 71, 140, 209, 105, 71, 42, 13, 7, 8, 56, 15, 168, 97, 280, 351, 280, 351, 168, 97, 56, 15, 8, 9, 72, 17, 252, 127, 504, 545, 630, 1471
(list; table; graph; listen)
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OFFSET
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1,1
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EXAMPLE
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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
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Cf. A003506; A007622; A046201; A046204; A046205; A046206; A046208; A046212; A137752; A137753; A137754; A137755; A137756.
Sequence in context: A075196 A015050 A116447 this_sequence A132886 A119272 A070871
Adjacent sequences: A137754 A137755 A137756 this_sequence A137758 A137759 A137760
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KEYWORD
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frac,nonn,tabl
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AUTHOR
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Mohammad K. Azarian (azarian(AT)evansville.edu), Feb 10 2008
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