OFFSET
0,3
REFERENCES
G.-B. Chae, E. M. Palmer and R. W. Robinson, Asymptotic number of general cubic graphs, preprint, Oct 30, 2000.
LINKS
Harry J. Smith, Table of n, a(n) for n = 0..162
PROG
(PARI) { default(realprecision, 100); L = 10^(10^3 - 6); for (n = 0, 200, a=round((6*n)!/(2^(3*n)*(3*n)!*6^(2*n))); if (a > L, break); write("b058921.txt", n, " ", a); ) } \\ Harry J. Smith, Jun 24 2009
CROSSREFS
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Jan 11 2001
STATUS
approved