Top network posts

• 76 $6!\cdot 7!=10!$. Is there a natural bijection between $S_6\times S_7$ and $S_{10}$?
• 34 Is there (or can there be) a general algorithm to solve Rubik's cubes of any dimension?
• 21 Which convex shapes are the hardest to bind together with a rubber band?
• 19 What are the known convex polyhedra with congruent faces?
• 18 Does every 5-celled animal tile the plane?
• 16 When is $\sum_{n=0}^{\infty}\frac{n^k}{3^n}$ an integer?
• 16 Can an equilateral triangle be dissected into 5 congruent convex pieces?
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