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erdos_1.variants.least_N_5

Specification

The minimal value of $N$ such that there exists a sum-distinct set with five elements is $13$. https://oeis.org/A276661

Mathematics prize
Prize

$500

Paul Erdős

Lean 4 Statement 
theorem erdos_1.variants.least_N_5 :
    IsLeast { N | ∃ A, IsSumDistinctSet A N ∧ A.card = 5 } 13
ID: ErdosProblems__1__erdos_1.variants.least_N_5
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