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A046587 Even numbers in writing first numerator and then denominator of each element of the 1/4-Pascal triangle (by row). 0

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

%S 4,4,4,4,2,4,4,4,4,4,4,8,2,8,4,4,4,2,2,4,4,4,2,4,4,2,4,4,4,4,4,4,4,4,

%T 4,4,112,2,112,4,4,4,102,2,2,102,4,4,4,2,4,2,2,4,2,4,4,4,4,4,2,2,2,2,

%U 4,4,4,4,4,70,2,616,4,4,616,2,70,4,4,4,2,2,4,4,3432,3432,4,4,2,2,4,4,4,2,4

%N Even numbers in writing first numerator and then denominator of each element of the 1/4-Pascal triangle (by row).

%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

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Last modified May 3 09:56 EDT 2024. Contains 372207 sequences. (Running on oeis4.)