OFFSET
2,2
REFERENCES
Harary and Palmer, Graphical Enumeration, Chapter Six.
LINKS
Marko Riedel, Table of n, a(n) for n = 2..40
Marko Riedel, Colorings of the cube.
CROSSREFS
KEYWORD
nonn
AUTHOR
Marko Riedel, Dec 20 2013
STATUS
approved