http://mathematica.stackexchange.com/questions/37007/von-mangoldt-function/37026#37026
an example that it is sometimes not a big deal to have a better algorithm as the vendor, but also be perfectly clear in what you are doing.
http://mathematica.stackexchange.com/questions/37007/von-mangoldt-function/37026#37026
an example that it is sometimes not a big deal to have a better algorithm as the vendor, but also be perfectly clear in what you are doing.