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How far can you go? (Posted on 2015-05-12) Difficulty: 2 of 5
16 is the smallest 2-digit square whose digits are non-decreasing.
144 is the smallest 3-digit square whose digits are non-decreasing.
1156 is the smallest 4-digit square whose digits are non-decreasing.

GO ON!

No Solution Yet Submitted by Ady TZIDON    
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re(2): Go on, indeed. | Comment 4 of 6 |
(In reply to re: Go on, indeed. by broll)

OEIS is a great site.  I'm sure I've referenced it more than twice.  Have I disparaged using it it in the past?  I hope not, I visit there probably once a week.


Just posting a link to OEIS as a solution isn't doing much for the problem, but I feel I went a bit beyond the OEIS sequence.  Plus the OEIS sequence is not the same as Ady's - it just contains Ady's.

  Posted by Jer on 2015-05-12 13:25:27
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