Next letter

From Math Puzzle Wiki
Revision as of 10:19, 12 May 2010 by Oscarlevin (talk | contribs)
Jump to: navigation, search

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

Help

Hint
The next letter is N
Answer
N T E T T ...
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.