Hatrack River Forum: Puzzles anyone?

This is topic Puzzles anyone? in forum Books, Films, Food and Culture at Hatrack River Forum.

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Posted by punwit (Member # 6388) on :

Besides puns, homebrew and good conversation I also enjoy the occaisional puzzle. I've got a number sequence that appeared in a book called CUCKOO'S EGG. I'll post the sequence and anyone that wants the answer can e-mail me at junkaccount @sbcglobal.net Please feel free to contribute.

The sequence 1,11,21,1211,
The objective: find the next number in sequence using the rules applied to the first 4 numbers. I will give one additional number in this series if so requested.

Posted by Vána (Member # 3262) on :

I think we already did this particular sequence puzzle! If it's the same, then the next number should be 111221.

Yes?

Posted by punwit (Member # 6388) on :

Oh darn, yep that's right.

Posted by Vána (Member # 3262) on :

heehee - that's okay. [Smile]

Do you have any more?

Posted by punwit (Member # 6388) on :

Well I'll have to dig. That was always my favorite one cause you hafta think outside the box. How bout you?

Posted by punwit (Member # 6388) on :

For those that haven't previously seen this sequence, have a go. You got an extra #. Anyone else have a good puzzle please contribute.

Posted by jehovoid (Member # 2014) on :

111221...

121112211?

Posted by punwit (Member # 6388) on :

Nope and it would help if you clarify by stating the rule you are using to progress from one number to the next.

Posted by jehovoid (Member # 2014) on :

Well, I was thinking that 1 always gets added to the end, two 1s become a 2, and 2s get 1s added to the left.

Posted by jehovoid (Member # 2014) on :

111221

2111121211 maybe.

if 11 becomes 21; 12 becomes 1112; 21 becomes 1211.

Posted by punwit (Member # 6388) on :

Jehovoid, I see sorta what you mean and you aren't far from the truth but you aren't exactly there. If you mail me at junkaccount@sbcglobal.net I will send you the next sequence.

Posted by punwit (Member # 6388) on :

Well yes but I would suggest that 12 becomes 1112 becomes 3112

Posted by jehovoid (Member # 2014) on :

Ah. And then the real fun begins.

Posted by punwit (Member # 6388) on :

jehovoid I sent the next in the series to your hotmail account. I'm not trying to pull some e-mail shenanigan. I just want to leave it open for those that haven't seen it before.