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A046214 First denominator and then numerator of 1/2-Pascal triangle (by row). 0

%I

%S 1,1,1,1,1,1,1,1,2,1,1,1,1,1,2,3,2,3,1,1,1,1,2,5,1,3,2,5,1,1,1,1,2,7,

%T 2,11,2,11,2,7,1,1,1,1,2,9,1,9,1,11,1,9,2,9,1,1,1,1,2,11,2,27,1,20,1,

%U 20,2,27,2,11,1,1,1,1,2,13,1,19,2,67,1,40,2,67,1,19,2,13,1,1,1,1,2,15,2

%N First denominator and then numerator of 1/2-Pascal triangle (by row).

%e 1/1; --> 1 1

%e 1/1 1/1; --> 1 1 1 1

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

%e 1/1 3/2 3/2 1/1; --> ...

%e 1/1 5/2 3/1 5/2 1/1;

%e 1/1 7/2 11/2 11/2 7/2 1/1;

%e 1/1 9/2 9/1 11/1 9/1 9/2 1/1;

%e 1/1 11/2 27/2 20/1 20/1 27/2 11/2 1/1;...

%Y Cf. A046213.

%K tabf,nonn,frac

%O 1,9

%A _Mohammad K. Azarian_

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Last modified September 26 15:30 EDT 2021. Contains 347668 sequences. (Running on oeis4.)