Week 18-24, Nov., 2006 Puzzle 378: Jaroslaw Wroblewski, Jacques Tramu, J. K. Andersen & Nick McGrath Puzzle 287:Christian Boyer announces the first known BIMAGIC square of primes! Conjecture 50: Patrick Capelle Posted on Friday, November 24, 2006

Week 12-18, Nov., 2006 Conjecture 51: Luis Rodríguez, Anton Vrba. Puzzle 42: Anton Vrba. Posted on Monday, November 20, 2006

Week 4-10, Nov., 2006 Puzzle 104: Giovanni Resta Conjecture 50: Anton Vrba Posted on Friday, November 10, 2006

Week up to Nov. 3, 2006 Puzzle 377: Jaroslaw Wroblewski, Farideh Firoozbakht & Jean-Charles Meyrignac, & Giovanni Resta Posted on Saturday, November 4, 2006