Map folding ($2 \times 15)$
The number of distinct ways to fold a $2 \times 15$ rectangle into a unit square.
Value: $39409195740$ (39,409,195,740)
Updates
-
Lower bound: $39409195740$
(39,409,195,740)
Reference unknown
[via Number of ways of folding a 2 X n strip of stamps. - OEIS] -
Upper bound: $39409195740$
(39,409,195,740)
Reference unknown
[via Number of ways of folding a 2 X n strip of stamps. - OEIS]