Youden Rectangles
These rectangles are described in the the paper
Small Youden Rectangles and Their Connections to Other Row-Column Designs
.
The tuples are stored in plain text format.
For the cases where the full set of rectangles is too large to be placed here in plain text format we have instead included those with non-trivial autopism group.
Rectangles
Rectangles on 7 symbols
Rectangles on 11 symbols
Rectangles on 13 symbols
Random samples of 6x16-rectangles for each the three SBIBDs of thise size
Rectangles on 21 symbols