Basic Puzzles
Strange Sequence ★★
Here is a sequence of numbers:
1 11 21 1211 111221
It seems to be a strange sequence, but there is a system behind it...
The question: What is the next term in this sequence?
The answer: Click here!
Another question: Here is another sequence of numbers:
1 11 21 1211 1231 131221
What is the next term in this sequence?
Another answer: Click here!