Next letter

A nice short puzzle, perfect for posing at the start of class.

Puzzle

What are the next letters in the sequence: O T T F F S S E?

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Hint

The next letter is N

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Answer

N T E T T ...

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Solution

The letters in the sequence are the initials of the natural numbers: One, Two, Three, etc. So the sequence continues: N T E T T F F S S E N T.

See Also

Next sequence

Sequence next in sequence