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Find the next number in the sequence:
11, 21, 1211, 111221, ?
I've gotten some great solutions to this one. There is a "standard" solution,
for which I've made an applet to help. It takes as input a number that
could be in this sequence, or at least follows the rules of numbers that
are in this sequence. As output it prints the preceeding number in
the sequence. Note: If you are getting the message "Invalid
input", it means that you aren't typing in numbers which follow the
rule of this sequence and hence could never be in the sequence. If you're
getting some output, well, that means you're on the right track to
cracking the riddle! Good luck! -Brandon
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