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Misha Lavrov's user avatar
Misha Lavrov's user avatar
Misha Lavrov's user avatar
Misha Lavrov
  • Member for 6 years, 8 months
  • Last seen this week
22 votes
8 answers
1k views

Build this pyramid

20 votes
10 answers
2k views

Repeat this GCD operation

18 votes
6 answers
819 views

Delete the first periodic digit

18 votes
7 answers
1k views

Longest hypercube path

7 votes
5 answers
514 views

Demonstrate a lower bound for the Ramsey number R(4,4)