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A046548 First numerator and then denominator of the elements to the right of the central elements of the 1/3-Pascal triangle (by row), excluding 1's. 0
4, 3, 7, 3, 5, 10, 3, 25, 3, 13, 3, 55, 3, 38, 3, 16, 3, 31, 18, 19, 3, 203, 3, 49, 73, 3, 22, 3, 350, 3, 220, 3, 95, 3, 25, 3, 252, 190, 105, 40, 28, 3, 442, 295, 145, 148, 3, 31, 3, 946, 737, 440, 583, 3, 179, 3, 34, 3, 1683, 1177, 1903, 3, 254, 71, 37, 3 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..66.

EXAMPLE

1/1; -->

1/1 1/1; -->

1/1 1/3 1/1; -->

1/1 4/3 4/3 1/1; --> 4 3

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

1/1 10/3 5/1 5/1 10/3 1/1; --> ...

1/1 13/3 25/3 10/1 25/3 13/3 1/1;

1/1 16/3 38/3 55/3 55/3 38/3 16/3 1/1; ...

CROSSREFS

Cf. A046534.

Sequence in context: A336741 A072816 A340012 * A127752 A198874 A276760

Adjacent sequences:  A046545 A046546 A046547 * A046549 A046550 A046551

KEYWORD

tabf,nonn,frac,less

AUTHOR

Mohammad K. Azarian

EXTENSIONS

Corrected and extended by Sean A. Irvine, Apr 13 2021

STATUS

approved

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Last modified May 20 05:35 EDT 2022. Contains 353851 sequences. (Running on oeis4.)