A046552 - OEIS

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A046552

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

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;