Pentagons in Squares

The following pictures show n unit pentagons packed inside the smallest known square (with side s).

1.
           2.
           3.
s = (3√2+√10+2√(5+√5))/8 = 1.59811+
Trivial.
  		s = 2.46345+
Trivial.
  		s = 2.90812+
Found by Jonathan Viquerat
in April 2026.

4.
           5.
           6.
s = 3.10252+
Found by Jonathan Viquerat
in April 2026. 		s = 3.54903+
Found by Jonathan Viquerat
in April 2026. 		s = 3.88300+
Found by Jonathan Viquerat
in April 2026.

7.
           8.
           9.
s = 4.18037+
Found by Nicolas Campailla
in May 2026. 		s = 4.38191+
Found by Jonathan Viquerat
in April 2026. 		s = 4.60033+
Found by Jonathan Viquerat
in April 2026.

10.
           11.
           12.
s = 4.90581+
Found by Jonathan Viquerat
in June 2026. 		s = 5.11557+
Found by Jonathan Viquerat
in April 2026. 		s = 5.23221+
Found by Timo Berthold et al
in May 2026.

13.
           14.
           15.
s = 5.52102+
Found by Jake Loyd
in June 2026. 		s = 5.69659+
Found by Jake Loyd
in June 2026. 		s = 5.90121+
Found by Jonathan Viquerat
in June 2026.

16.
           17.
           18.
s = 6.06452+
Found by Timo Berthold et al
in April 2026. 		s = 6.23761+
Found by Jonathan Viquerat
in June 2026. 		s = 6.32566+
Found by Thomas Greenleaf
in June 2026.

19.
           20.
           21.
s = 6.55781+
Found by Jake Loyd
in June 2026. 		s = 6.66138+
Found by Thomas Greenleaf
in June 2026. 		s = 6.85368+
Found by Jake Loyd
in June 2026.

22.
           23.
           24.
s = 7.04446+
Found by Jake Loyd
in June 2026. 		s = 7.20624+
Found by Jake Loyd
in June 2026. 		s = 7.33690+
Found by Jake Loyd
in June 2026.

25.
s = 7.45360+
Found by Jake Loyd
in June 2026.