In the past, the Mertens function M(x), i.e. the sum of the Moebius function ?(n) for 1 <= n <= x, has been computed for x <= 1013. We describe the results obtained by extending this range to x <= 1014, and discuss the prospects of such computations for even larger ranges.

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CWI
Modelling, Analysis and Simulation [MAS]

Kotnik, T., & van de Lune, J. (2003). Further systematic computations on the summatory function of the Möbius function. Modelling, Analysis and Simulation [MAS]. CWI.