[math-fun] Re more challenge sequences needed

Hugo P. points out that if people involved in competing in this competition are members of the math-fun or seq-fan mailing lists, then we shouldn't discuss choosing problems for the competition in these mailing lists! The person who wrote to me is "Jean-Charles Meyrignac" <euler@free.fr> and it is fine with me if people who have good problems to propose write directly to him! Neil