The following pictures show n tans (with short side 1) packed inside the smallest known octagons (with side s).
1.-2. 
s = 1/√(2+√2) = .54119+
Trivial.
3. 
s = .72389+
Found by Thomas Greenleaf
in June 2026.
4. 
s = √(2–√2) = .76536+
Found by Thomas Greenleaf
in June 2026.
5. 
s = .88072+
Found by Thomas Greenleaf
in June 2026.
6. 
s = √(2+√2)/2 = .92387+
Found by Thomas Greenleaf
in June 2026.
7. 
s = .98622+
Found by Yanis Gomes
in October 2026.
8. 
s = 1
Trivial.
9. 
s = 1.08295+
Found by Jake Loyd
in June 2026.
10. 
s = 1.09348+
Found by Jake Loyd
in June 2026.
11. 
s = 1.15384+
Found by Jake Loyd
in June 2026.
12. 
s = 4–2√2 = 1.17157+
Found by Thomas Greenleaf
in June 2026.
13. 
s = 1.21868+
Found by Jake Loyd
in June 2026.
14. 
s = 3(√2–1) = 1.24264+
Found by Maurizio Morandi
in June 2026.
15. 
s = 1.31145+
Found by Jake Loyd
in June 2026.
16. 
s = 1.36380++
Found by Yanis Gomes
in October 2026.
17. 
s = 1.39954+
Found by Jake Loyd
in June 2026.
18. 
s = √2 = 1.41421+
Found by Jake Loyd
in June 2026.
19. 
s = 1.48451+
Found by Joost de Winter
in September 2026.
20. 
s = 1.52195+
Found by Joshua Wolk
in September 2026.
21. 
s = 1.55806+
Found by Yanis Gomes
in October 2026.
22. 
s = 1.58542+
Found by Joshua Wolk
in September 2026.
23. 
s = 1.61882+
Found by Joshua Wolk
in September 2026.
24. 
s = 1.64044+
Found by Yanis Gomes
in October 2026.
25. 
s = 1.68662+
Found by Joshua Wolk
in September 2026.
26. 
s = 1.71515+
Found by Joshua Wolk
in September 2026.
27. 
s = 1.73818+
Found by Joshua Wolk
in September 2026.
28. 
s = 6–3√2 = 1.75735+
Found by Yanis Gomes
in October 2026.
29. 
s = (5–√2)/2 = 1.79289+
Found by Maurizio Morandi
in October 2026.
30. 
s = 2√2–1 = 1.82842+
Found by Maurizio Morandi
in October 2026.
31. 
s = 1.85240+
Found by Joshua Wolk
in September 2026.
32. 
s = 4–3/√2 = 1.87867+
Found by Maurizio Morandi
in October 2026.
33. 
s = 7√2–8 = 1.89949+
Found by Maurizio Morandi
in October 2026.
34. 
s = 1.92893+
Found by Joshua Wolk
in September 2026.
35. 
s = 1.95837+
Found by Joshua Wolk
in September 2026.
36. 
s 1.98857+
Found by Joshua Wolk
in September 2026.
37. 
s = 1.99877+
Found by Joshua Wolk
in September 2026.
38. 
s = 2.02716+
Found by Joshua Wolk
in September 2026.
39. 
s = 2.06740+
Found by Joshua Wolk
in September 2026.
40. 
s = 2.10050+
Found by Joshua Wolk
in September 2026.
41. 
s = 2.12213+
Found by Joshua Wolk
in September 2026.
42. 
s = 2.15890+
Found by Yanis Gomes
in October 2026.
43. 
s = 5–2√2 = 2.17157+
Found by Yanis Gomes
in October 2026.
44. 
s = 2.19638+
Found by Yanis Gomes
in October 2026.
45. 
s = 2.21999+
Found by Yanis Gomes
in October 2026.
46. 
s = 2.24291+
Found by Yanis Gomes
in October 2026.
47. 
s = 2.27083+
Found by Yanis Gomes
in October 2026.
48. 
s = 2.29636+
Found by Yanis Gomes
in October 2026.
49. 
s = 2.33138+
Found by Joshua Wolk
in September 2026.
50. 
s = 8–4√2 = 2.34314+
Found by Yanis Gomes
in October 2026.