A046537 - OEIS

%I #10 Jun 22 2013 16:05:39

%S 3,3,4,3,4,3,7,3,8,3,7,3,10,5,5,3,10,3,13,3,25,10,3,25,3,13,3,16,3,38,

%T 3,55,3,55,3,38,3,16,3,19,18,31,3,110,31,18,3,19,3,22,3,73,49,3,203,3,

%U 203,49,3,73,3,22,3,25,3,95,3,220,3,350,3,406,3,350,3,220,3,95,3,25

%N First denominator and then numerator 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; --> 3

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

%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,easy,frac,less

%O 1,1

%A _Mohammad K. Azarian_

%E Corrected and extended by Larry Reeves (larryr(AT)acm.org), Apr 06 2000