DaVinci Code question - Fibonacci Series

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SUMMARY

The discussion centers on the use of the Fibonacci series in "The Da Vinci Code," specifically in Chapter 44, where characters access a Swiss Bank Account using a sequence of numbers. The original sequence entered is 1-3-3-2-2-1-1-1-8-5, but Sophie suggests using the Fibonacci sequence 1-1-2-3-5-8-1-3-2-1 instead. The debate revolves around the logic of why a scrambled sequence would be less recognizable than the Fibonacci sequence and the implications of choosing a memorable account number. Participants express confusion over the rationale behind the character's decision to use a scrambled version of a recognizable mathematical sequence.

PREREQUISITES
  • Understanding of the Fibonacci sequence and its mathematical properties.
  • Familiarity with cryptography concepts related to number sequences.
  • Knowledge of "The Da Vinci Code" plot and character motivations.
  • Basic comprehension of how account numbers can be structured for memorability.
NEXT STEPS
  • Research the mathematical significance of the Fibonacci sequence in literature.
  • Explore cryptographic techniques for encoding and decoding numerical sequences.
  • Analyze character decision-making in "The Da Vinci Code" for deeper narrative understanding.
  • Investigate how memorable numbers are created and used in real-world applications.
USEFUL FOR

This discussion is beneficial for fans of "The Da Vinci Code," cryptography enthusiasts, mathematicians, and anyone interested in the intersection of literature and mathematics.

DaveC426913
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Warning: minor spoilers

I'm sure there are a hundred fora devoted to discussion about The DaVinci code, but, well I'm here.

So, to anyone who's read the book, my question concerns the sequence they use when accessing the Swiss Bank Account - the Fibonacci series ( Chapter 44 - p.204-205 in the paperback).

They initially enter the sequence as written:1-3-3-2-2-1-1-1-8-5, but Sophie changes her mind. She enters the F-sequence in order 1-1-2-3-5-8-1-3-2-1.

Her logic:
"It's far too coincidental that this supposedly random number account number could rearranged to form the Fibonacci sequence..."

"...he would have chosen an account number that had meaning to him, something he could easily remember..."

'...When the Fibonacci sequence was melded into a single ten-digit number, it became virtually unrecognizable. Furthermore, it perfectly explained why the scrambled numbers could be rearranged to form the perfect progression...'



I don't get the logic here.

"...When the Fibonacci sequence was melded into a single ten-digit number, it became virtually unrecognizable..."

They're suggesting that the F-sequence 1123581321 is somehow *less* recognizable than the original scrambled sequence 1332211185?


"...it perfectly explained why the scrambled numbers could be rearranged to form the perfect progression..."

How does it do that?? We KNOW it can be rearranged, because we SAW the message through the scrambling: we saw the Fibonacci Sequence. What more explanation is required?


What am I missing?

1] He created an account number.
2] He needed it to be memorable, so he chose 1123581321.
3] He needed to write it on the floor.
4] ?? He decided to write the numbers randomly? He just mixed them up so it wasn't obvious except to a cryptographer/mathematician?
 
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No. And, in reading my own question - now 13 years forgotten - I see how others couldn't figure out what I was getting at.
 
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