Thanks for providing that! There is a link to his paper at the bottom. Also, it will eventually take you to the Electronic journal of combinatorics.
In mathematics, you don't understand things. You just get used to them.
I agree with you regarding the satisfaction and importance of actually computing some numbers. I can't tell you how often I see time and money wasted because someone didn't bother to run the numbers.
When I worked in produce, the oranges came 72 or 113 in a box.
I used to sift thru IEEE journals from the 1920's to the present on logic circuits, talking about combinatorics.
Once I ran into a neat algorithm using XOR gates that I could not comprehend though.
igloo myrtilles fourmis