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A046555 Odd numbers in writing first numerator and then denominator of each element of the 1/3-Pascal triangle (by row). 0
1, 1, 1, 1, 1, 1, 1, 1, 1, 3, 1, 1, 1, 1, 3, 3, 1, 1, 1, 1, 7, 3, 3, 7, 3, 1, 1, 1, 1, 3, 5, 1, 5, 1, 3, 1, 1, 1, 1, 13, 3, 25, 3, 1, 25, 3, 13, 3, 1, 1, 1, 1, 3, 3, 55, 3, 55, 3, 3, 3, 1, 1, 1, 1, 19, 3, 1, 31, 3, 3, 31, 3, 1, 19, 3, 1, 1, 1, 1, 3, 73, 3, 49, 1, 203, 3, 203, 3, 49, 1, 73, 3, 3, 1, 1 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,10

LINKS

Table of n, a(n) for n=1..95.

EXAMPLE

1/1; --> 1 1

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

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

1/1 4/3 4/3 1/1; --> 1 1 3 3 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: A214249 A271714 A049639 * A331112 A029382 A073780

Adjacent sequences:  A046552 A046553 A046554 * A046556 A046557 A046558

KEYWORD

tabf,nonn,easy,frac,less

AUTHOR

Mohammad K. Azarian

EXTENSIONS

Corrected and extended by Larry Reeves (larryr(AT)acm.org), Apr 06 2000

STATUS

approved

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Last modified July 2 08:49 EDT 2020. Contains 335398 sequences. (Running on oeis4.)