A046535 - OEIS

A046535

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

1, 1, 1, 1, 1, 1, 1, 1, 3, 1, 1, 1, 1, 1, 3, 4, 3, 4, 1, 1, 1, 1, 3, 7, 3, 8, 3, 7, 1, 1, 1, 1, 3, 10, 1, 5, 1, 5, 3, 10, 1, 1, 1, 1, 3, 13, 3, 25, 1, 10, 3, 25, 3, 13, 1, 1, 1, 1, 3, 16, 3, 38, 3, 55, 3, 55, 3, 38, 3, 16, 1, 1, 1, 1, 3, 19, 1, 18, 1, 31, 3, 110, 1, 31, 1, 18, 3, 19, 1, 1, 1, 1, 3

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OFFSET

1,9

LINKS

Table of n, a(n) for n=1..93.

EXAMPLE

1/1; --> 1 1

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

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