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First denominator and then numerator of each element of the 1/3-Pascal triangle (by row), excluding 3's.
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%I #13 Apr 13 2021 21:13:27

%S 1,1,1,1,1,1,1,1,1,1,1,1,1,4,4,1,1,1,1,7,8,7,1,1,1,1,10,1,5,1,5,10,1,

%T 1,1,1,13,25,1,10,25,13,1,1,1,1,16,38,55,55,38,16,1,1,1,1,19,1,18,1,

%U 31,110,1,31,1,18,19,1,1,1,1,22,73,1,49,203,203,1

%N First denominator and then numerator of each element of the 1/3-Pascal triangle (by row), excluding 3's.

%e 1/1; -> 1 1

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

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

%e 1/1 4/3 4/3 1/1; -> 1 1 4 4 1 1

%e 1/1 7/3 8/3 7/3 1/1;

%e 1/1 10/3 5/1 5/1 10/3 1/1;

%e 1/1 13/3 25/3 10/1 25/3 13/3 1/1;

%e 1/1 16/3 38/3 55/3 55/3 38/3 16/3 1/1; ...

%Y Cf. A046534.

%K tabf,nonn,frac,less

%O 1,14

%A _Mohammad K. Azarian_

%E Corrected and extended by _Sean A. Irvine_, Apr 13 2021