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Lew k-gram

Diagrams invented by Lewis Carroll which can be used to determine the number of minimal Minimal Covers of $n$ numbers with $k$ members.


References

Macula, A. J. ``Lewis Carroll and the Enumeration of Minimal Covers.'' Math. Mag. 68, 269-274, 1995.




© 1996-9 Eric W. Weisstein
1999-05-26