由 AJ Andy 於 星期五 四月 11, 2003 1:24 am
.......can't derive the next number
but I discovered that:
1, 1, 2, 2, 3, 4, 4, 5, 5, 6, 6, 7
if we add up the tip and tail numbers (like 高斯AP)
7 + 1 = 8
6 + 1 = 7
6 + 2 = 8
5 + 2 = 7
5 + 3 = 8
but 4 + 4 =8.........................