E819  (819E)Continuatio fragmentorum ex adversariis mathematicis depromptorum
(Continuation of some fragments taken from the Mathematics day book)
Summary:
They evaluate the square of the sum of reciprocals of an arithmetic sequence, as well as a power series
where all the coefficients are 0 or 1. And, as we expect in the adversarii, a couple of other things.
Publication:

Originally published in Opera Postuma 1, 1862, pp. 487518

Opera Omnia: Series 1, Volume 16, pp. 312  320
Documents Available:
Return to the Euler Archive