login
First denominator and then numerator of the 1/4-Pascal triangle (by row), excluding 1's and 4's.
0

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

%S 5,5,9,2,5,9,13,19,19,13,17,8,2,19,8,17,21,49,2,35,2,35,49,21,25,2,35,

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

%U 112,71,31,33,37,157,102,183,2,483,2,483,183,102,157,37,41,2,97,565,285,2

%N First denominator and then numerator of the 1/4-Pascal triangle (by row), excluding 1's and 4's.

%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 tabf,nonn

%O 1,1

%A _Mohammad K. Azarian_

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