回複：1,4,10,13,16,19,22,25......3M+1 FIRST LOST.I already proved.

來源: 於 2011-03-21 16:45:31 [舊帖] [給我悄悄話] 本文已被閱讀：次

And 10 goes (9) or (8,1),(7,2),(6,3),(5,4)