Next sequence

From Math Puzzle Wiki
Revision as of 06:14, 25 July 2017 by Oscarlevin (talk | contribs)
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
Jump to navigation Jump to search

Here is a classic sequence guessing puzzle.

Puzzle

Consider the sequence 1, 11, 21, 1211, 111221, 312211... What comes next?

Help

Answer
13112221.

See Also

Sequence next in sequence