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The next 0, 1, 2 (Posted on 2019-04-01) Difficulty: 1 of 5
What number is next in the sequence below?
1, 11, 100, 121, 221, 1100

No Solution Yet Submitted by Danish Ahmed Khan    
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Solution Solution (spoiler) | Comment 1 of 2
1211

These are the natural squares, expressed in based 3.

49 = 1211 (base 3)

  Posted by Steve Herman on 2019-04-01 10:17:00
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