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Problem
erdos:125
False ↔ ({x | (Nat.digits 3 x).toFinset ⊆ {0, 1}} + {x | (Nat.digits 4 x).toFinset ⊆ {0, 1}}).HasPosDensity
Open Current State
Declared status
disproved (Lean)
Formalization
formalized
Subjects
number theory
·
base representations
OEIS
A367090
Sources
source:erdos-ai-contributions-wiki
·
source:erdos-problems
·
source:formal-conjectures
·
source:jayyhk-erdos-lean
·
source:plby-lean-proofs
·
source:vibemathed
Statement
www.erdosproblems.com
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