StevenXClontz’s avatarStevenXClontz’s Twitter Archive—№ 3,975

  1. Here's my favorite John Conway problem (a game of course). Two players alternatively make up nonredundant denominations of coins. (e.g. after 25¢ & 13¢ playing 51¢ would be illegal) The player who picks 1¢ loses. How long can the game go? en.m.wikipedia.org/wiki/Sylver_coinage