Quoc Tran Anh Le Coordinator
03/08/2018 at 02:11-
This sequence is 0k,1k,2k,3k,4k,5k,6k,7k,8k,...,300k with k = 3
So the missing numbers in "..." is 9k to 299k
So there are: 299 - 9 + 1 = 291 numbers in this
Quoc Tran Anh Le selected this answer.