Pentagons in Pentagons

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


1.
           2.
           3.
s = 1
Trivial.
s = 2
Trivial.
s = √5 = 2.23606+
Found by Jonathan Viquerat in April 2026.


4.
           5.-6.
           7.
s = 2.44719+
Found by Jonathan Viquerat in April 2026.
s = (3+√5)/2 = 2.61803+
Trivial.
s = 3.07866+
Found by Jonathan Viquerat in April 2026.


8.
           9.
           10.
s = 3.33514+
Found by Jonathan Viquerat in April 2026.
s = 3.44956+
Found by Jonathan Viquerat in April 2026.
s = 3.68324+
Found by Jonathan Viquerat in April 2026.


11.
           12.
           13.
s = 3.79704+
Found by Jonathan Viquerat in April 2026.
s = 3.96926+
Found by Jonathan Viquerat in April 2026.
s = 4.06523+
Found by Jonathan Viquerat in April 2026.


14.
           15.
           16.
s = 4.21120+
Found by Jonathan Viquerat in April 2026.
s = 2+√5 = 4.23606+
Trivial.
s = 4.41636+
Found by Jonathan Viquerat in April 2026.


17.
           18.
           19.
s = 4.65561+
Found by Jonathan Viquerat in April 2026.
s = 4.77541+
Found by Jonathan Viquerat in April 2026.
s = 4.95361+
Found by Jonathan Viquerat in April 2026.


20.
           21.
           22.
s = 5.04154+
Found by Jonathan Viquerat in April 2026.
s = 5.15948+
Found by Ignacio Vallejo in April 2026.
s = 5.26740+
Found by Ignacio Vallejo in April 2026.


23.
           24.
           25.
s = 5.34794+
Found by Ignacio Vallejo in April 2026.
s = 5.49241+
Found by Ignacio Vallejo in April 2026.
s = 5.58370+
Found by Ignacio Vallejo in April 2026.