Friday Puzzler -- Next Number
Alex Y
What is the next number in the following sequence?
1
11
21
1211
111221
Est. 1998 — 27 years of woodworking knowledge
Friday Puzzler -- Next Number
Alex Y
What is the next number in the following sequence?
1
11
21
1211
111221
Hint
Alex Y
Each term depends only on the prior one.
Re: Hint
Henry Higginbotham
4122, maybe?
Re: Hint
Henry Higginbotham
Or maybe 312211.
VERY close
That's it!
Alex Y
Nice job
312211
First answer was BC
Henry Higginbotham
Before Coffee 
Re: First answer was BC
Alex Y
LOL I know the feeling, although I didn't get this one with or without the caffeine.
Re: Hint
Larry Barrett
Henry (or Alex) - please explain. I don't get this one, even with your answer.
Re: Hint
Alex Y
Each number describes the previous number. The last number in the puzzle statement , 111221, can be described as three 1s followed by two 2's, then one 1, so 312211.
A meta-sequence in a sense.