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Can you find the next number in this sequence? - Alex Gendler with tags ted, ted-ed, ted education, ted ed, alex gendler, artrake studio, look and say sequence, number sequence, pattern, john conway, conway's constant, elements, digits, puzzle, run-length encoding

View full lesson: http://ed.ted.com/lessons/can-you-find-the-next-number-in-this-sequence-alex-gendler1, 11, 21, 1211, 111221. These are the first five elements of a number sequence. Can you figure out what comes next? Alex Gendler reveals the answer and explains how beyond just being a neat puzzle, this type of sequence has practical applications as well.Lesson by Alex Gendler, directed by Artrake Studio.

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