Post without words #33

About Brent

Associate Professor of Computer Science at Hendrix College. Functional programmer, mathematician, teacher, pianist, follower of Jesus.
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4 Responses to Post without words #33

  1. Lucas Brown says:

    OEIS A000522?

  2. blaisepascal2014 says:

    I think I would have swapped the ordering of the two pairs in the bottom row. I look forward to seeing the logic of the ordering, and were I got it wrong.

  3. Pingback: A few words about PWW #33: subset permutations | The Math Less Traveled

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