Triangles in Dominoes

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

1-2.

s = √3/2
Trivial.
  		           3.

s = .96796+
Found by Jonathan Viquerat
in April 2026 		           4.

s = 1.12036+
Found by Jonathan Viquerat
in April 2026

5.

s = 1.26315+
Found by Jonathan Viquerat
in April 2026 		           6.

s = 1.37629+
Found by Jonathan Viquerat
in April 2026 		           7.

s = 1.49076+
Found by Jonathan Viquerat
in April 2026
8.

s = 1.56293+
Found by Jonathan Viquerat
in April 2026 		           9.

s = 1.64908+
Found by Jonathan Viquerat
in April 2026 		           10.

s = 1.68303+
Found by Jonathan Viquerat
in April 2026
11.

s = 1.73127+
Found by Jonathan Viquerat
in April 2026 		           12.

s = 1.74040+
Found by Jonathan Viquerat
in April 2026 		           13.

s = 1.85319+
Found by Jonathan Viquerat
in April 2026
14.

s = 1.90191+
Found by Jonathan Viquerat
in April 2026 		           15.

s = 1.97950+
Found by Jonathan Viquerat
in April 2026 		           16.

s = 2
Found by Jonathan Viquerat
in April 2026
17.

s = 2.10306+
Found by Jonathan Viquerat
in April 2026 		           18.

s = 2.14913.+
Found by Jonathan Viquerat
in April 2026 		           19.

s = 2.24848+
Found by Jonathan Viquerat
in April 2026
20.

s = 2.29730+
Found by Jonathan Viquerat
in April 2026