%0 Journal Article %T On Eisenstein's formula for the Fermat quotient %A John Blythe Dobson %J Mathematics %D 2012 %I arXiv %X This paper presents some refinements of the representation of the Fermat quotient of base 2 as an alternating series which was discovered by Eisenstein in 1850, including some evaluations that are believed to be new. %U http://arxiv.org/abs/1207.5831v2