Assume that there is some integer n , such that 3n + 5 = 364
3n + 5 = 364 subtract 5 from both sides
3n = 359
To be divisible by 3, the sum of a number's digits must be divisible by 3......but 3 + 5 + 9 = 17......and 17 isn't divisible by 3, so 359 isn't divisible by 3
Therefore....since our conclusion isn't possible, neither is our assumption....and 364 is not in the sequence of 3n + 5