Map folding ($2 \times 16)$
The number of distinct ways to fold a $2 \times 16$ rectangle into a unit square.
Value: $204150606976$ (204,150,606,976)
Updates
-
Lower bound: $204150606976$
(204,150,606,976)
Reference unknown
[via Number of ways of folding a 2 X n strip of stamps. - OEIS] -
Upper bound: $204150606976$
(204,150,606,976)
Reference unknown
[via Number of ways of folding a 2 X n strip of stamps. - OEIS]