The Combinatorial Object Server:
Select a type together with specific parameter values and COS will
return a list of all such combinatorial objects.
http://www.theory.csc.uvic.ca/~cos/
Phalanstأ¨re:
Research into the relations between algebra and combinatorics.
http://phalanstere.univ-mlv.fr/
Combinatorial Catalogues:
Combinatorial objects such as graphs, designs and geometries
collected by Gordon Royle.
http://www.cs.uwa.edu.au/~gordon/data.html
CATS: Combinatorial Algorithms Test Sets:
Searchable index of problems, links and methodology maintained by
the Association for Computing Machinery.
http://www.jea.acm.org/CATS/
Amazing Mathematical Object Factory:
Generators for several basic combinatorial objects by Frank Ruskey
and Scott Lausch.
http://www.schoolnet.ca/vp-pv/amof/
A Survey of Venn Diagrams:
Various facts and figures about Venn diagrams by Frank Ruskey.
http://www.combinatorics.org/Surveys/ds5/VennEJC.html
G-Systems:
Theory of chord structures to create music through algorithms by
Vladimir Ladma.
http://www.sweb.cz/vladimir_ladma/english/music/articles/dide99.htm
Combinatorics:
Subfields in the AMS MSC 2000 classification 05.
http://www.ams.org/msc/05-xx.html
Combinatorial Data:
Brendan McKay's collection of miscellaneous tables in graph6 or
sparse6 format.
http://cs.anu.edu.au/~bdm/data/
The Hyperbook of Combinatorics:
A project to develop a hypertext on major topics in combinatorics.
http://www.combinatorics.net/hyper/
Catalogue of Lattices:
A catalogue of different types with applications to packing spheres
by Neil Sloane and Gabriele Nebe.
http://www.research.att.com/~njas/lattices/
Math Pages - Combinatorics:
About 40 "informal notes" on combinatorics by Kevin Brown.
http://www.mathpages.com/home/icombina.htm
Generating Functions:
Introduction to generating functions with interactive java applets
by Alexander Bogomolny.
http://www.cut-the-knot.org/blue/GeneratingFunctions.shtml
