A puzzle

What is the sequence that begins like this?

0, 1, 2, 4, 5, 8, 12, 16, 17, 18, 24, 32, 34, 40, 48, 50, 56, 64, 65, 72, 80, 81, 88, 96, 104, 112, 120, 128, 136, 144, 152, 160, 168, 176, 184, 192, 200

Hint: it is connected with Rado’s explicit description of the Erdős–Rényi countable random graph. There is another clue in the tag.

About Peter Cameron

I count all the things that need to be counted.
This entry was posted in doing mathematics and tagged . Bookmark the permalink.

1 Response to A puzzle

  1. Honza Hubička says:

    Click to access BF02772535.pdf


    Definition 3.8 🙂

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