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A046221 Odd numbers on numerators of 1/2-Pascal triangle (by row). 0

%I

%S 1,1,1,1,1,1,1,3,3,1,1,5,3,5,1,1,7,11,11,7,1,1,9,9,11,9,9,1,1,11,27,

%T 27,11,1,1,13,19,67,67,19,13,1,1,15,51,105,147,147,105,51,15,1,1,17,

%U 33,147,33,17,1,1,19,83,111,273,273,111,83,19,1,1,21,51

%N Odd numbers on numerators of 1/2-Pascal triangle (by row).

%e 1/1; --> 1

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

%e 1/1 1/2 1/1; --> 1 1 1

%e 1/1 3/2 3/2 1/1; --> 1 3 3 1

%e 1/1 5/2 3/1 5/2 1/1; --> 1 5 3 5 1

%e 1/1 7/2 11/2 11/2 7/2 1/1; --> 1 7 11 11 7 1

%e 1/1 9/2 9/1 11/1 9/1 9/2 1/1; --> 1 9 9 11 9 9 1

%e 1/1 11/2 27/2 20/1 20/1 27/2 11/2 1/1; --> 1 11 27 27 11 1

%e ...

%Y Cf. A046213.

%K tabf,nonn,frac,less

%O 1,8

%A _Mohammad K. Azarian_

%E More terms from _Sean A. Irvine_, Apr 07 2021

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Last modified October 28 07:43 EDT 2021. Contains 348321 sequences. (Running on oeis4.)