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A137763
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Central elements in writing first the denominator and then the numerator(left to right) of Leibniz's harmonic-like triangle.
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7
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1, 1, 6, 5, 30, 31, 140, 209, 630, 1471, 2772, 10625
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,3
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LINKS
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FORMULA
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EXAMPLE
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1/1; --> 1 1
1/2, 1/2; -->
1/3, 5/6, 1/3; --> 6 5
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. A046201, A046204, A046205, A046206, A046208, A046212, A137752, A137753, A137754, A137755, A137756, A137757, A137758, A137759, A137760, A137761, A137762.
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KEYWORD
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nonn,tabf,frac,less
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AUTHOR
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STATUS
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approved
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