Map folding ($5 \times 5)$
The number of distinct ways to fold a $5 \times 5$ rectangle into a unit square.
Value: $186086600$ (186,086,600)
Updates
-
Lower bound: $186086600$
(186,086,600)
Reference unknown
[via Number of ways of folding an n X n sheet of stamps. - OEIS] -
Upper bound: $186086600$
(186,086,600)
Reference unknown
[via Number of ways of folding an n X n sheet of stamps. - OEIS]