Post without words #2

About Brent

Associate Professor of Computer Science at Hendrix College. Functional programmer, mathematician, teacher, pianist, follower of Jesus.
This entry was posted in counting, pascal's triangle, pattern, pictures, posts without words. Bookmark the permalink.

10 Responses to Post without words #2

  1. I’ll add some words: it’s impossible to make the one with four colours symmetric.

  2. Guest says:

    …in a plane? Looks like power sets and hypercubes, so the n-th one can be projected symmetrically into (n-1)-space.

  3. JM says:

    It’s interesting that some people looked at this and saw cubes in various dimensions. My first impression was a tree with each branch asking, “Which color should I eliminate?”

  4. Brent says:

    Great observations so far! Anyone, please feel free to add more observations, no matter how small.

  5. xander says:

    1 (omitted—it would be an empty box, I suppose)
    1 1
    1 2 1
    1 3 3 1
    1 4 6 4 1

    Combinations and binomial coefficients spring to mind.

  6. Pingback: Some words about Post without words #2 | The Math Less Traveled

Comments are closed.