Timeline for Can $N^2$ have only digits 0 and 1, other than $N=10^k$?
Current License: CC BY-SA 2.5
3 events
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Oct 25, 2009 at 9:30 | history | rollback | didest |
Rollback to Revision 1
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Oct 25, 2009 at 9:30 | history | edited | didest | CC BY-SA 2.5 |
for rollback
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Oct 25, 2009 at 8:18 | history | answered | didest | CC BY-SA 2.5 |