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A046554 First denominator and then numerator of each element to the right of the central elements of the 1/3-Pascal triangle (by row), excluding 3's. 0

%I #22 Apr 14 2021 03:51:39

%S 1,1,1,1,4,1,1,7,1,1,1,5,10,1,1,25,13,1,1,55,38,16,1,1,1,31,1,18,19,1,

%T 1,203,1,49,73,22,1,1,350,220,95,25,1,1,1,252,1,190,1,105,1,40,28,1,1,

%U 1,442,1,295,1,145,148,31,1,1,1,946,1,737,1,440,583

%N First denominator and then numerator of each element to the right of the central elements of the 1/3-Pascal triangle (by row), excluding 3's.

%e 1/1; -->

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

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

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

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

%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,less

%O 1,5

%A _Mohammad K. Azarian_

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

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Last modified April 25 01:35 EDT 2024. Contains 371964 sequences. (Running on oeis4.)