1113213211
111221
111221
312211
132231 Try saying the numbers out loud.
1113213211
35345
111221
111221
312211
The next number in this sequence is 13112221.
Is the fourth term correct? Should it not be 111221? Then the next term would be 13112221
132231 Try saying the numbers out loud.
59 is the next number in this series.
The next number in the series is 67.
1311221
Next in sequence is 13112221.This series describes each number that came before it:1 [One]11 [One One]21 [Two One(s)]1211 [One Two and One One(s)]111221 [One One, One Two, and Two One(s)]312211 [Three One(s), Two Two(s), and One One]The next number in the series is:13112221 [One Three, One One, Two Two(s), Two One(s)]