Squares in Tans

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


1.
           2.
           3.
s = 2
Trivial.
s = 2√2 = 2.828+
Trivial.
s = 3
Trivial.


4.
           5.
           6.
s = 5 / √2 = 3.535
Found by Erich Friedman
in March 2005.
s = 4
Found by Erich Friedman
in March 2005.
s = 4
Trivial.


7.
           8.
           9.
s = 3 + √2 = 4.414+
Found by Erich Friedman
in March 2005.
s = 2 + 2√2 = 4.828+
Found by Erich Friedman
in March 2005.
s = 7 / √2 = 4.949+
Found by Erich Friedman
in March 2005.


10.
           11.
           12.
s = 5
Trivial.
s = 4 + √2 = 5.414+
Found by Erich Friedman
in March 2005.
s = 4√2 = 5.656+
Found by Erich Friedman
in March 2005.


13.
           14.
           15.
s = 3 + 2√2 = 5.828+
Found by Erich Friedman
in March 2005.
s = 6
Found by Erich Friedman
in March 2005.
s = 6
Trivial.


16.
           17.
           18.
s = 9 / √2 = 6.363+
Found by Erich Friedman
in March 2005.
s = 5 + √2 = 6.414+
Found by Erich Friedman
in March 2005.
s = 4 + 2√2 = 6.828+
Found by Erich Friedman
in March 2005.


19.
           20.
           21.
s = 2 + 7 / √2 = 6.949+
Found by David W. Cantrell
in May 2005.
s = 7
Found by Erich Friedman
in March 2005.
s = 7
Trivial.


22.
           23.
           24.
s = 1 + 9 / √2 = 7.363+
Found by Erich Friedman
in March 2005.
s = 6 + √2 = 7.414+
Found by Erich Friedman
in March 2005.
s = 7 + 1 / √2 = 7.707+
Found by David W. Cantrell
in May 2005.


25.
           26.
           27.-28.
s = 11 / √2 = 7.778+
Trivial.
s = 5 + 2√2 = 7.828+
Found by Erich Friedman
in March 2026.
s = 8
Trivial.


29.
           30.
           31.
s = 8.36396+
Found by Joshua Wolk
in September 2026.
s = 7 + √2 = 8.41421+
Found by Joshua Wolk
in September 2026.
s = 8.48528+
Found by Joshua Wolk
in September 2026.


32.
           33.
           34.
s = 8.77817+
Found by Joshua Wolk
in September 2026.
s = 6 + 2√2 = 8.82842+
Found by Yanis Gomes
in October 2026.
s = 4 + 7/√2 = 8.94974+
Found by Yanis Gomes
in October 2026.


35.-36.
           37.
           38.-39.
s = 9
Trivial.
s = 9.24264+
Found by Joshua Wolk
in September 2026.
s = 8 + √2 = 9.41421+
Found by Joshua Wolk
in September 2026.


40.
           41.-42.
           43.
s = 9.77817+
Found by Joshua Wolk
in September 2026.
s = 7 + 2√2 = 9.82842+
Found by Yanis Gomes
in October 2026.
s = 9.89949+
Found by Joshua Wolk
in September 2026.


44.-45.
           46.
           47.-48.
s = 10
Trivial.
s = 10.24264+
Found by Joshua Wolk
in September 2026.
s = 9 + √2 = 10.41421+
Found by Joshua Wolk
in September 2026.


49.
           50.
s = 10.60660+
Found by Joshua Wolk
in September 2026.
s = 10.65685+
Found by Oihan Barreneche
in October 2026.