login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

First denominator and then numerator of the elements to the right of the central elements of the 1/4-Pascal triangle.
0

%I #8 Jun 22 2013 16:05:40

%S 1,1,1,1,4,5,1,1,4,9,1,1,4,19,4,13,1,1,1,8,4,17,1,1,2,35,4,49,4,21,1,

%T 1,4,119,2,35,4,25,1,1,4,259,4,189,4,95,4,29,1,1,1,112,1,71,1,31,4,33,

%U 1,1,2,483,1,183,1,102,4,157,4,37,1,1,2,849,1,285,4,565,2,97,4,41,1,1,2

%N First denominator and then numerator of the elements to the right of the central elements of the 1/4-Pascal triangle.

%e 1/1; 1/1 1/1; 1/1 1/4 1/1; 1/1 5/4 5/4 1/1; 1/1 9/4 5/2 9/4 1/1; 1/1 13/4 19/4 19/4 13/4 1/1; 1/1 17/4 8/1 19/2 8/1 17/4 1/1; 1/1 21/4 49/4 35/2 35/2 49/4 21/4 1/1; ...

%Y Cf. A046563.

%K nonn

%O 1,5

%A _Mohammad K. Azarian_

%E More terms from _James A. Sellers_, Dec 14 1999