This is probably the most famous image of Pascal’s Triangle in math history (Yang Hui’s triangle, from the 13th century). It was on the cover of my combinatorics book in college.

However, the diagram contains a mistake. Where is it?

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jd2718, on February 25, 2009 at 6:34 pm said:I don’t read these numbers, but is that a 34 instead of a 35?

Or is the 70 weird?

Jonathan

Jason Dyer, on February 25, 2009 at 8:44 pm said:Correct the first time. It should be symmetrical but the numbers are different.

TwoPi, on February 26, 2009 at 3:39 am said:Wow. Amazing how many times you can look at something and never really *see* it.

Great catch!

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