A046215 First numerator and then denominator of 1/2-Pascal triangle (by row), excluding 1's.

2, 3, 2, 3, 2, 5, 2, 3, 5, 2, 7, 2, 11, 2, 11, 2, 7, 2, 9, 2, 9, 11, 9, 9, 2, 11, 2, 27, 2, 20, 20, 27, 2, 11, 2, 13, 2, 19, 67, 2, 40, 67, 2, 19, 13, 2, 15, 2, 51, 2, 105, 2, 147, 2, 147, 2, 105, 2, 51, 2, 15, 2, 17, 2, 33, 78, 126, 147, 126, 78, 33, 17, 2, 19, 2, 83, 2, 111, 204

Offset: 1

Author

Mohammad K. Azarian

Keywords

• tabf
• nonn
• frac
• less

Examples

			1/1; -->
1/1 1/1; -->
1/1 1/2 1/1; --> 2
1/1 3/2 3/2 1/1; --> 3 2 3 2
1/1 5/2 3/1 5/2 1/1;  --> ...
1/1 7/2 11/2 11/2 7/2 1/1;
1/1 9/2 9/1 11/1 9/1 9/2 1/1;
1/1 11/2 27/2 20/1 20/1 27/2 11/2 1/1; ...
		

Crossrefs

Cf. A046213.

Extensions

More terms from Larry Reeves (larryr(AT)acm.org), Apr 06 2000