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A046601 First numerator and then denominator of the 1/5-Pascal triangle (by row). To get a 1/5-Pascal triangle, replace "2" in the third row of the Pascal triangle with "1/5" and calculate all other rows as in the Pascal triangle. 28

%I

%S 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,

%T 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,

%U 1,17,1,17,1,12,1,26,5,1,1,1,1,31,5,86,5,29,1,34,1,29,1,86,5

%N First numerator and then denominator of the 1/5-Pascal triangle (by row). To get a 1/5-Pascal triangle, replace "2" in the third row of the Pascal triangle with "1/5" and calculate all other rows as in the Pascal triangle.

%e 1/1;

%e 1/1 1/1;

%e 1/1 1/5 1/1;

%e 1/1 6/5 6/5 1/1;

%e 1/1 11/5 12/5 11/5 1/1;

%e 1/1 16/5 23/5 23/5 16/5 1/1;

%e 1/1 21/5 39/5 46/5 39/5 21/5 1/1;

%e 1/1 26/5 12/1 17/1 17/1 12/1 26/5 1/1; ...

%K nonn,tabf,less

%O 1,10

%A _Mohammad K. Azarian_

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Last modified May 6 09:04 EDT 2021. Contains 343580 sequences. (Running on oeis4.)