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A046557 Distinct odd numbers in the numerators of the 1/3-Pascal triangle (by row). 0

%I #16 Apr 14 2021 03:52:30

%S 1,7,5,13,25,55,19,31,73,49,203,95,105,145,295,179,583,737,37,71,1903,

%T 1177,1683,325,2665,3575,43,1225,8099,6435,111,505,4865,3913,7371,

%U 33319,13585,379,2227,885,3485,535,1045,13889,61,593,5415,18259,48773,1421

%N Distinct odd numbers in the numerators of the 1/3-Pascal triangle (by row).

%e 1/1; --> 1

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

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

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

%e 1/1 7/3 8/3 7/3 1/1; --> 7

%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,frac,less

%O 1,2

%A _Mohammad K. Azarian_

%E Corrected and extended by _Sean A. Irvine_, Apr 13 2021

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Last modified May 21 14:18 EDT 2024. Contains 372738 sequences. (Running on oeis4.)