Nonlinear differential equation for Korobov numbers
  In this paper, we present nonlinear differential equations for the generating functions for the Korobov numbers and for the Frobenuius-Euler numbers. As an application, we find an explicit expression for the nth derivative of 1/ log(1 + t). 
Dae San Kim, Taekyun Kim, Hyuck In Kwon, Toufik Mansour
math.NT