Hardy–Littlewood constant in the conjectural asymptotic π₂(x) ~ 2 C₂ x/(ln x)². Assumes the (unproven) twin-prime conjecture.
Hardy–Littlewood constant in the conjectural asymptotic π₂(x) ~ 2 C₂ x/(ln x)². Assumes the (unproven) twin-prime conjecture.