A137755 Nontrivial numerators (left to right) of Leibniz's harmonic-like triangle.

5, 7, 7, 9, 31, 9, 11, 49, 49, 11, 13, 71, 209, 71, 13, 15, 97, 351, 351, 97, 15, 17, 127, 545, 1471, 545, 127, 17, 19, 161, 799, 2561, 2561, 799, 161, 19, 21, 199, 1121, 4159, 10625, 4159, 1121, 199, 21

Offset: 1

Author

Mohammad K. Azarian, Feb 10 2008

Keywords

• frac
• nonn
• tabl

Examples

			1/1; -->
1/2, 1/2;  -->
1/3, 5/6, 1/3; --> 5
1/4, 7/12, 7/12, 1/4; --> 7 7
1/5, 9/20, 31/30, 9/20, 1/5; --> 9 31 9
		

Crossrefs

Cf. A003506; A007622; A046201; A046204; A046205; A046206; A046208; A046212; A137752; A137753; A137754.