Squares in Dominoes

The following pictures show n unit squares packed inside the smallest known domino (of shortest side length s).


1-2.

s = 1
Trivial.
 
           3.

s = 3/2 = 1.5
Trivial.
 
           4.

s = 1.930+
Found by Evert Stenlund
in June 2010.


5-8.

s = 2
Trivial.
 
           9.

s = 2 + √2/3 = 2.471+
Found by Evert Stenlund
in June 2010.
           10.

s = 5/2 = 2.5
Trivial.
 

11.

s = 2.779+
Found by Evert Stenlund
in June 2010.
 
           12.

s = 6 (1 + √2) / 5 = 2.897+
Found by Maurizio Morandi
in June 2010.
 
           13.

s = 2.976+
Found by David W. Cantrell
in July 2012 (after Maurizio
Morandi in June 2010.)

14-18.

s = 3
Trivial.
 
           19.

s = 3 + 1/√5 = 3.447+
Found by Maurizio Morandi
in June 2010.
           20-21.

s = 7/2 = 3.5
Trivial.
 

22.

s = 3.745+
Found by David W. Cantrell
in July 2012 (after Maurizio
Morandi in June 2010.)
           23.

s = 3.849+
Found by Maurizio Morandi
in June 2010.
 
           24.

s = 3.882+
Found by DC after MM
in August 2012.
 

25.

s = 3.939+
Found by DC after MM
in August 2012.
 
           26.

s = 3.981+
Found by David W. Cantrell
in July 2012 (after Maurizio
Morandi in July 2012.)
           27-32.

s = 4
Trivial.
 
 

33.

s = 3 + √2 = 4.414+
Found by Maurizio Morandi
in July 2012.
           34.

s = 4 + √2/3 = 4.471+
Found by David W. Cantrell
in July 2012.
           35-36.

s = 9/2 = 4.5
Trivial.
 

37.

s = 10 / 3 + √2 = 4.747+
Found by Maurizio Morandi
in August 2012.
           38.

s = (13 + √2) / 3 = 4.804+
Found by Maurizio Morandi
in August 2012.
           39.

s = 4.839+
Found by David W. Cantrell
in August 2012.

40.

s = 4.895+
Found by Sigvart Brendberg
in June 2023.
           41.

s = 4.927+
Found by Sigvart Brendberg
in June 2023.
           42.

s = 4.989+
Found by David W. Cantrell
in August 2012.


           43-50.

s = 5
Trivial.