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Human Counting Machine

Teacher Reference

Examples of Other Outputs of the Human Counting Machine

This is what you see after inputting numbers 0, 1, 2, 3, 4, 5, or 11.

  • Number 0:

    This position corresponds to the number 0. Its secret code is - - - - - (the code is "empty") and its binary expansion, 0.

  • Number 1:

    This position corresponds to the number 1. Its secret code is 1 and its binary expansion, 1.



  • Number 2:
    Start with the final position for number 1.

    This position corresponds to the number 2. Its secret code is 2 and its binary expansion, 2.



  • Number 3:
    Start with the final position for number 2.

    This position corresponds to the number 3. Its secret code is 2, 1 and its binary expansion, 2 + 1.

  • Number 4:
    Start with the final position for number 3.

    This position corresponds to the number 4. Its secret code is 4 and its binary expansion, 4.



  • Number 5:
    Start with the final position for number 4.

    This position corresponds to the number 5. Its secret code is 4, 1 and its binary expansion, 4 + 1.



  • Number 11:

    This position corresponds to the number 11. Its secret code is 8, 2, 1 and its binary expansion 8 + 2 + 1.


Send questions, comments to asofer@math.utexas.edu.
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