D L Dowe, Classes of functions with Integer Derivatives at x=1, Technical
Report #95/217, Dept Computer Science, Monash University, Melbourne,
Australia, 10pp, 1995.
www.csse.monash.edu.au/~dld/Publications/1995/Dowe1995_MonashCS_TR95.217.ref

The abstract of this technical report paper is downloadable as compressed
postscript (.ps.gz)
from http://www.csse.monash.edu.au/publications/1995/tr-cs95-217-abs.ps.gz
http://www.csse.monash.edu.au/~dld/Publications/1995/Dowe1995_MonashCS_tr-cs95-217-abs.ps.gz .



A highly related piece of work approximately contemporaneous with the
abovementioned technical report is:
Dowe, D.L. (1995).  Classes of functions with integer derivatives at x=1.
     Proc. 21st Australasian Conf. on Combinatorial Mathematics and
     Combinatorial Computing (21ACCMCC), Deakin University, Geelong,
     Victoria, Australia, July 1995, pp11-12 ,

which is in turn a sequel to:
Dowe, D.L. and S.B. Landy (1990).  The Derivatives of x to the Power x at
     x = 1.  Gazette of the Australian Mathematical Society,
     Vol 17 No. 4 (Aug 1990), pp95-98 .