### Brain Teasers

# Letters From the Louvre

What are the next 2 letters of this sequence and what is the sequence's significance?

A, A, B, C, E, H, ..., ...

A, A, B, C, E, H, ..., ...

### Hint

"P.S. Find Robert Langdon."### Answer

The next two letters are M and U.The sequence represents the letter equivalents of the famed Fibonacci Sequence.

Fibonacci's first eight numbers are:

1, 1, 2, 3, 5, 8, 13, 21

Each number is the sum of the 2 numbers that precede it:

1+1=2, 1+2=3, 2+3=5, etc...

The letter equivalents would be

A(1), A(1), B(2), C(3), E(5), H(8), M(13), U(21)

The title and hint refer to Professor Robert Langdon of Dan Brown's novel, "The Da Vinci Code". In the book, Langdon and Sophie Neveu encounter the Fibonacci sequence at a murder scene in the Louvre.

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