A046619 - OEIS

%I #11 Jun 22 2013 16:05:41

%S 1,1,1,1,1,1,1,1,1,1,1,1,1,6,6,1,1,1,1,11,12,11,1,1,1,1,16,23,23,16,1,

%T 1,1,1,21,39,46,39,21,1,1,1,1,26,12,1,17,1,17,1,12,1,26,1,1,1,1,31,86,

%U 29,1,34,1,29,1,86

%N First numerator and then denominator of each element of the 1/5-Pascal triangle (by row), excluding 5's.

%e 1/1; --> 1 1

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

%e 1/1 1/5 1/1; --> 1 1 1 1 1

%e 1/1 6/5 6/5 1/1; --> 1 1 6 6 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; ...

%Y Cf. A046601.

%K tabf,frac,nonn,less

%O 1,14

%A _Mohammad K. Azarian_