Can you find the next number in this sequence? - Alex Gendler
561,949 Views
5,045 Questions Answered
TEDEd Animation
Let’s Begin…
1, 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.
Additional Resources for you to Explore
Read Conway’s original paper here, or take a closer look at Conway’s Constant and the visual graph of its roots. Or delve deeper into examining the elements and proofs regarding the limits of the sequence.
About TED-Ed Animations
TED-Ed Animations feature the words and ideas of educators brought to life by professional animators. Are you an educator or animator interested in creating a TED-Ed Animation? Nominate yourself here »
Meet The Creators
- Educator Alex Gendler
- Director Outis
- Associate Producer Jessica Ruby
- Content Producer Gerta Xhelo
- Editorial Producer Alex Rosenthal
- Narrator Addison Anderson
