Tans in Squares

The following pictures show n tans with leg 1 packed inside the smallest known squares (of side s ).

1.            2.            3.
s = 1
Trivial. 		s = 1
Trivial. 		s = √2 = 1.414+
Trivial.

4.            5.            6.
s = √2 = 1.414+
Trivial. 		s = 1.788+
Found by Maurizio Morandi
in August 2007. 		s = 1.937+
Found by Maurizio Morandi
in February 2008.

7.            8.            9.
s = 1.999+
Found by Maurizio Morandi
in August 2007. 		s = 2
Trivial. 		s = 3/2 + 1/√2 = 2.207+
Found by Erich Friedman
in March 2005.

10.            11.            12.
s = 2.393+
Found by Maurizio Morandi
in January 2008. 		s = 1 + √2 = 2.414+
Found by Maurizio Morandi
in August 2007. 		s = 2.612+
Found by Maurizio Morandi
in January 2008.

13.            14.            15.
s = 2.688+
Found by Maurizio Morandi
in March 2008. 		s = 2.767+
Found by Maurizio Morandi
in October 2007. 		s = 2.828+
Found by Maurizio Morandi
in August 2007.

16.            17.            18.
s = 2√2 = 2.828+
Trivial. 		s = 2.970+
Found by David Cantrell
in August 2007. 		s = 3
Trivial.

19.            20.            21.
s = 3.201+
Found by Maurizio Morandi
in February 2008. 		s = 2 + 9√2/10 = 3.272+

Found by Maurizio Morandi
in February 2008. 		s = 3.340+
Found by Maurizio Morandi
in March 2008.

22.            23.            24.
s = 3.392+
Found by Maurizio Morandi
in December 2007. 		s = 3.464+
Found by Maurizio Morandi
in December 2007. 		s = 3.517+
Found by David Cantrell
in August 2007.

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