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A046611 First denominator and then numerator of the central elements of the 1/5-Pascal triangle (by row). 0

%I #8 Jun 22 2013 16:05:41

%S 1,1,5,1,5,12,5,46,1,34,1,126,5,2352,5,8844,5,33462,1,25454,1,97240,5,

%T 1864356,5,7171892,5,27665596,1,21395520,1,82907640,1,321868854,1,

%U 1251661518,1,4874644104,1,19010020260,1,74225053980,1,290134122564,1

%N First denominator and then numerator of the central elements of the 1/5-Pascal triangle (by row).

%e 1/1; 1/1 1/1; 1/1 1/5 1/1; 1/1 6/5 6/5 1/1; 1/1 11/5 12/5 11/5 1/1; 1/1 16/5 23/5 23/5 16/5 1/1; 1/1 21/5 39/5 46/5 39/5 21/5 1/1; 1/1 26/5 12/1 17/1 17/1 12/1 26/5 1/1; ...

%Y Cf. A046601.

%K nonn

%O 1,3

%A _Mohammad K. Azarian_

%E More terms from _James A. Sellers_, Dec 15 1999

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Last modified March 29 03:51 EDT 2024. Contains 371264 sequences. (Running on oeis4.)