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A046552 First numerator and then denominator of each element of the 1/3-Pascal triangle (by row), excluding 3's. 0
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 4, 4, 1, 1, 1, 1, 7, 8, 7, 1, 1, 1, 1, 10, 5, 1, 5, 1, 10, 1, 1, 1, 1, 13, 25, 10, 1, 25, 13, 1, 1, 1, 1, 16, 38, 55, 55, 38, 16, 1, 1, 1, 1, 19, 18, 1, 31, 1, 110, 31, 1, 18, 1, 19, 1, 1, 1, 1, 22, 73, 49, 1, 203, 203 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,14

LINKS

Table of n, a(n) for n=1..77.

EXAMPLE

1/1; --> 1 1

1/1  1/1; --> 1 1 1 1

1/1  1/3  1/1; -->  1 1 1 1 1

1/1  4/3  4/3  1/1; --> ...

1/1  7/3  8/3  7/3  1/1;

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: A057278 A010303 A046553 * A155454 A143484 A047214

Adjacent sequences:  A046549 A046550 A046551 * A046553 A046554 A046555

KEYWORD

tabf,nonn,less

AUTHOR

Mohammad K. Azarian

EXTENSIONS

Data corrected by Sean A. Irvine, Apr 13 2021

STATUS

approved

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Last modified January 24 00:05 EST 2022. Contains 350515 sequences. (Running on oeis4.)