{{
`${userDetail.user.displayName}${userDetail.user.cachedBungieGlobalDisplayNameCode ? `#${standardizeBungieGlobalCode(userDetail.user.cachedBungieGlobalDisplayNameCode)}` : ""}`}}
{{getUserClans()}}
由UnluckyRaspberry編輯：
1/29/2015 11:57:10 PM
6
Find the pattern
n= 2^n-1. [u]Perfect numbers[u]
2 3 × 2 6
3 7 × 4 28
5 31 × 16 496
7 127 × a b
Find the pattern in the third column to find 'a', multiply a by 127 to get b. Comment below and if your answer is right I will give you a cookie.
