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A046571 Odd numbers in the numerators of the 1/4-Pascal triangle (by row). 0

%I #10 Jun 22 2013 16:05:40

%S 1,1,1,1,1,1,1,5,5,1,1,9,5,9,1,1,13,19,19,13,1,1,17,19,17,1,1,21,49,

%T 35,35,49,21,1,1,25,35,119,35,119,35,25,1,1,29,95,189,259,259,189,95,

%U 29,1,1,33,31,71,259,71,31,33,1

%N Odd numbers in the numerators of the 1/4-Pascal triangle (by row).

%e 1/1; --> 1

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

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

%e 1/1 5/4 5/4 1/1; --> 1 5 5 1

%e 1/1 9/4 5/2 9/4 1/1; --> 1 9 5 9 1

%e 1/1 13/4 19/4 19/4 13/4 1/1; --> 1 13 19 19 13 1

%e 1/1 17/4 8/1 19/2 8/1 17/4 1/1; --> 1 17 19 17 1

%e 1/1 21/4 49/4 35/2 35/2 49/4 21/4 1/1; ...

%Y Cf. A046563.

%K tabf,nonn,frac,less

%O 1,8

%A _Mohammad K. Azarian_

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Last modified September 13 03:33 EDT 2024. Contains 375857 sequences. (Running on oeis4.)