Packing unit squares in a square $s(13)$
The side of the smallest square into which $13$ unit squares can be packed.
Lower bound:
$3.8437$
Upper bound:
$4$
Updates
-
Upper bound: $4$
Reference unknown
[via Packing Unit Squares in Squares: A Survey and New Results, Erich Friedman, 2009-08-14] -
Lower bound: $3.8437$
Reference unknown
[via Packing Unit Squares in Squares: A Survey and New Results, Erich Friedman, 2009-08-14]