The harmonic mean of numbers (where, ...,) is the number defined by. (1). The harmonic mean of a list of numbers may be computed in the Wolfram Language using. [ list ]. The special cases of and are therefore given by. (2). (3). and so on. The harmonic means of the integers from 1 to for, 2, ...
There are several theories about the origins of the Sanders name (see page on History Of Saunders) We believe our Sanders family originated in Scotland. Many of the early Sanders then migrated to England and Ireland and eventually to America.
Sanders is an unusual first name for males but a very prominent surname for all people (#88 out of 150436, Top 1%). Sanders entered the list in 1880-1889 and reached its highest rank of #706 in the U.S. then, but is not in the Top 1000 currently.