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A137766 Elements to the right of the central element in writing first the numerator and then the denominator (left to right) of Leibniz's harmonic-like triangle. 3

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

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

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

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

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

%e 1/1; -->

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

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

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

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

%Y Cf. A137752.

%Y Cf. A046201, A046204, A046205, A046206, A046208, A046212, A137752, A137753, A137754, A137755, A137756, A137757, A137758, A137759, A137760, A137761, A137762, A137763, A137764, A137765.

%K nonn,tabf,frac,less

%O 1,2

%A _Mohammad K. Azarian_, Feb 13 2008

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Last modified March 28 16:00 EDT 2024. Contains 371254 sequences. (Running on oeis4.)