Problem

erdos:849

True ↔ ∀ t ≥ 1, ∃ a, {n | ∃ k ≥ 1, 2 * k ≤ n ∧ n.choose k = a}.ncard = t

Open Current State

Declared status: open
Formalization: formalized
Subjects: number theorybinomial coefficients
OEIS: A003016 · A003015 · A059233 · A098565 · A090162 · A180058 · A182237
Sources: source:erdos-problemssource:formal-conjectures
Statement: www.erdosproblems.com

Singmaster's conjecture

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