A046594 First denominator and then numerator of each element of the 1/4-Pascal triangle (by row), excluding 2's and 4's.

1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 5, 5, 1, 1, 1, 1, 9, 5, 9, 1, 1, 1, 1, 13, 19, 19, 13, 1, 1, 1, 1, 17, 1, 8, 19, 1, 8, 17, 1, 1, 1, 1, 21, 49, 35, 35, 49, 21, 1, 1, 1, 1, 25, 35, 119, 1, 35, 119, 35, 25, 1, 1, 1, 1, 29, 95, 189, 259, 259, 189, 95, 29, 1

Offset: 1

Author

Mohammad K. Azarian

Keywords

• tabf
• nonn
• less

Examples

			1/1; --> 1 1
1/1 1/1;  --> 1 1 1 1
1/1 1/4 1/1; --> 1 1 1 1 1
1/1 5/4 5/4 1/1;  --> 1 1 5 5 1 1
1/1 9/4 5/2 9/4 1/1;  --> ...
1/1 13/4 19/4 19/4 13/4 1/1;
1/1 17/4 8/1 19/2 8/1 17/4 1/1;
1/1 21/4 49/4 35/2 35/2 49/4 21/4 1/1; ...
		

Crossrefs

Cf. A046563.

Extensions

More terms from Sean A. Irvine, Apr 13 2021