Can You Solve the Real Challenge?

  • Context: Undergrad 
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Discussion Overview

The discussion revolves around a sequence of numbers where each row describes the previous one, often referred to as the "look-and-say" sequence. Participants explore the next rows in the sequence and share their interpretations of the challenge.

Discussion Character

  • Exploratory, Debate/contested, Conceptual clarification

Main Points Raised

  • One participant requests the next two rows of the sequence.
  • Another participant proposes a potential next row as 12212311321211.
  • A different participant provides two subsequent rows: 13211311123113112211 and 11131221133112132113212221, explaining that each line describes the previous one.
  • Some participants note that this puzzle may not fit within number theory and suggest it belongs in the brain teaser section.
  • One participant mentions that the puzzle has been previously discussed in the Brain Teaser subforum, while still acknowledging its fun nature and the need for creative thinking.

Areas of Agreement / Disagreement

There is no clear consensus on the next row, as participants propose different answers. The discussion includes both agreement on the nature of the sequence and differing opinions on its classification.

Contextual Notes

Some assumptions about the sequence's rules may be implicit, and there are unresolved questions about the classification of the puzzle within mathematical contexts.

no genius
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can you give the next two rows?

1
11
21
1211
111221
312211
13112221
1113213211
31131211131221
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maybe the next row is 12212311321211?
 
The next rows are:

13211311123113112211
and then
11131221133112132113212221
(each line tells you what was in the previous line)
but this is not number theory; it should be in the brain teaser section.
 
Also, it's been done already in the Brain Teaser subforum...but is an fun puzzle, nevertheless - requires some out-of-the-box thinking.
 

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