-1
$\begingroup$

1,11,21,1211,111221,312211,13112221,1113213211,....?

Find the next two numbers in the sequence

This question appeared in my math competition and I managed to solve it, and I will give a hint if this becomes too hard.

$\endgroup$
  • $\begingroup$ Amazingly funny to attempt!!!! $\endgroup$ – user65573 Feb 22 at 1:53
0
$\begingroup$

It is:

OEIS A005150

The next two numbers are:

31131211131221, 13211311123113112211

| improve this answer | |
$\endgroup$

Not the answer you're looking for? Browse other questions tagged or ask your own question.