Figure 3 shows solution (4) as a tree diagram, in which the trunk is our
original value of 1 and the branches show the process of decomposition into
two and three terms. Each of the 42 leaves is a 42 unique unit fraction term
in the solution. I enjoy graphs like this, but a botanist might be disturbed by
the floating branches (connected by dotted lines) that resulted from the three
compositions that I performed