Further to FEEG’s post, there is a company here called Dial-a-Nerd that provides computer hardware and software support. In their latest newsletter, they sent this poser.
In this series of numbers, what is the next number in the sequence?
1
11
21
1211
111221
312211
13112221
You can probably find the answer if you google it, but it is so much more fun if you work it out for yourself.





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