Comments by "p11" (@porky1118) on "The hardest "What comes next?" (Euler's pentagonal formula)" video.

  1. That's why I don't like IQ tests
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  2. I remember, when I found out the n(n-k)k formula myself. The math teacher must have thought, I looked it up and try to show off :P
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  3. I made it to the very end and this is really it for today
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