Was doodling in class recently:
And so of course this led to the discovery of Sloane A000081. For some reason I wasn’t expecting the rooted trees connection (I didn’t draw them until after I had read about it).
Was doodling in class recently:
And so of course this led to the discovery of Sloane A000081. For some reason I wasn’t expecting the rooted trees connection (I didn’t draw them until after I had read about it).
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