Tuesday, February 17, 2009

Argazzi's New Puzzler

Paul sent me another fun problem. It is a complete the sequence problem.

Next term in this sequence is?
1
11
21
1211
111221
312211
13112221
1113213211
...

Any one got it. This one's driving me nuts.

3 comments:

Tinyc Tim said...

31131211131221

Vineet Pandey said...

31131211131221

Read it pairwise like 3 Ones, 1 Three, 1 Two.... and look at the previous no.

HM said...

Thanks, Vineet, you finally got me there. That was killing me.