A046548 - OEIS

A046548

First numerator and then denominator of the elements to the right of the central elements of the 1/3-Pascal triangle (by row), excluding 1's.

%I #13 Apr 13 2021 20:43:52

%S 4,3,7,3,5,10,3,25,3,13,3,55,3,38,3,16,3,31,18,19,3,203,3,49,73,3,22,

%T 3,350,3,220,3,95,3,25,3,252,190,105,40,28,3,442,295,145,148,3,31,3,

%U 946,737,440,583,3,179,3,34,3,1683,1177,1903,3,254,71,37,3

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

%e 1/1; -->

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

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

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

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

%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 1,1

%A _Mohammad K. Azarian_

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