A046566 First denominator and then numerator of the 1/4-Pascal triangle (by row), excluding 1's.

4, 4, 5, 4, 5, 4, 9, 2, 5, 4, 9, 4, 13, 4, 19, 4, 19, 4, 13, 4, 17, 8, 2, 19, 8, 4, 17, 4, 21, 4, 49, 2, 35, 2, 35, 4, 49, 4, 21, 4, 25, 2, 35, 4, 119, 35, 4, 119, 2, 35, 4, 25, 4, 29, 4, 95, 4, 189, 4, 259, 4, 259, 4, 189, 4, 95, 4, 29, 4, 33, 31, 71, 112, 2

Offset: 1

Author

Mohammad K. Azarian

Keywords

• tabf
• nonn
• less

Examples

			1/1; -->
1/1  1/1; -->
1/1  1/4  1/1; --> 4
1/1  5/4  5/4  1/1; --> 4 5 4 5
1/1  9/4  5/2  9/4  1/1; --> 4 9 2 5 4 9
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