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A046628 Distinct odd numbers in writing first numerator and then denominator of each element to the right of the central elements of the 1/5-Pascal triangle (by row). 0

%I #8 Jun 22 2013 16:05:41

%S 1,5,11,23,39,21,17,29,31,63,231,117,153,41,501,279,139,51,693,187,

%T 291,7887,1111,605,347,61,16731,4251,1573,30173,12831,1981,71,12727,

%U 10439,34853,3731,1561,491,109,621,81,3621,16881,4323,91,66861,5111,879

%N Distinct odd numbers in writing first numerator and then denominator of each element to the right of the central elements of the 1/5-Pascal triangle (by row).

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

%Y Cf. A046601.

%K tabf,nonn

%O 1,2

%A _Mohammad K. Azarian_

%E More terms from _James A. Sellers_, Dec 16 1999

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Last modified April 24 22:17 EDT 2024. Contains 371964 sequences. (Running on oeis4.)