User talk:Jiangshan Sun

I knew this would happen sooner or later. Someone would get confused on the difference between OEIS Main and OEIS Wiki. Please follow this link and decide what you want to do: http://oeis.org/search?q=3%2C6%2C9%2C12%2C15%2C18%2C21%2C24%2C27%2C30%2C36%2C39&sort=&language=&go=Search (you may have to log in again over there with the same password you used here). Alonso del Arte 16:26, 16 March 2015 (UTC)