most citedThe lcm(1,2,...,n) as a product of sine values sampled over the points in Farey sequences

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math.CA2009★ 1 cited

The lcm(1,2,...,n) as a product of sine values sampled over the points in Farey sequences

Peter Luschny, Stefan Wehmeier

Recently Greg Martin derived an interesting formula for the least common multiple of {1,2,...,n}. Here, we give an exposition of a concise proof in terms of the sine function.