
REFERENCES

Mohammad K. Azarian, Diophantine Pair, Problem B881, Fibonacci Quarterly, Vol. 37, No. 3, August 1999, pp. 277278. Solution published in Vol. 38, No. 2, May 2000, pp. 183184.
R. K. Guy, Unsolved Problems in Number Theory, D11.
D. Singmaster, ``The number of representations of one as a sum of unit fractions,'' unpublished manuscript, 1972.
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).


EXAMPLE

For n=3 the 10 solutions are {2,3,6} (6 ways), {2,4,4} (3 ways), {3,3,3} (1 way).
