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A137769
Nontrivial odd numbers in writing first the denominator and then the numerator (left to right) of Leibniz's harmonic-like triangle.
0
3, 5, 3, 7, 7, 5, 9, 31, 9, 5, 11, 49, 49, 11, 7, 13, 105, 71, 209, 105, 71, 13, 7, 15, 97, 351, 351, 97, 15, 9, 17, 127, 545, 1471, 545, 127, 17, 9, 19, 161, 799, 2561, 2561, 799, 161, 19, 11, 21, 495, 199, 1121, 4159, 10625, 4159, 1121, 495, 199, 21, 11
OFFSET
1,1
EXAMPLE
1/1; -->
1/2, 1/2; -->
1/3, 5/6, 1/3; --> 3 5
1/4, 7/12, 7/12, 1/4; --> 7 7
1/5, 9/20, 31/30, 9/20, 1/5;
KEYWORD
nonn,tabf,frac,less
AUTHOR
Mohammad K. Azarian, Feb 13 2008
STATUS
approved