Erdős problem 195 · problems.science

What is the largest $k$ such that in any permutation of $\mathbb{Z}$ there must exist a monotone $k$ -term arithmetic progression $x_1 < \cdots < x_k$ ?

Retained from Formal Conjectures · not edited here

Formal statements: 1 open · 2 solved
Erdős Problems says: open
Decision here: No current contribution
Checks: 0 checks · 3 formal

Current Result

Accepted in Vela Mathematics Program

Current Result

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