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Elements to the right of the central elements in writing first the denominator and then the numerator(left to right) of Leibniz's harmonic-like triangle.
5

%I #8 Jun 22 2013 16:06:10

%S 2,1,3,1,12,7,4,1,20,9,5,1,60,49,30,11,6,1,105,71,42,13,7,1,280,351,

%T 168,97,56,15,8,1,504,545,252,127,72,17,9,1,1260,2561,840,799,360,161,

%U 90,19,10,1,2310,4159,1320,1121,495,199,110,21,11,1

%N Elements to the right of the central elements in writing first the denominator and then the numerator(left to right) of Leibniz's harmonic-like triangle.

%e 1/1; -->

%e 1/2, 1/2; --> 2 1

%e 1/3, 5/6, 1/3; --> 3 1

%e 1/4, 7/12, 7/12, 1/4; --> ...

%e 1/5, 9/20, 31/30, 9/20, 1/5;

%Y Cf. A046201; A046204; A046205; A046206; A046208; A046212; A137752; A137753; A137754; A137755; A137756; A137757; A137758; A137759, A137760; A137761; A137762; A137763.

%K nonn,tabf,frac,less

%O 1,1

%A _Mohammad K. Azarian_, Feb 13 2008